913273920 has 448 divisors, whose sum is σ = 3563965440. Its totient is φ = 218750976.

The previous prime is 913273913. The next prime is 913273927. The reversal of 913273920 is 29372319.

913273920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (913273913) and next prime (913273927).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913273927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5278954 + ... + 5279126.

It is an arithmetic number, because the mean of its divisors is an integer number (7955280).

Almost surely, 2^913273920 is an apocalyptic number.

913273920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913273920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781982720).

913273920 is an abundant number, since it is smaller than the sum of its proper divisors (2650691520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

913273920 is a wasteful number, since it uses less digits than its factorization.

913273920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 913273920 is about 30220.4222339795. The cubic root of 913273920 is about 970.2128416632.

The spelling of 913273920 in words is "nine hundred thirteen million, two hundred seventy-three thousand, nine hundred twenty".