731349900 has 162 divisors, whose sum is σ = 2420451852. Its totient is φ = 184680000.

The previous prime is 731349863. The next prime is 731349907. The reversal of 731349900 is 9943137.

731349900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (731349907) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 323775 + ... + 326025.

Almost surely, 2^731349900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731349900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210225926).

731349900 is an abundant number, since it is smaller than the sum of its proper divisors (1689101952).

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

731349900 is a wasteful number, since it uses less digits than its factorization.

731349900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2280 counting only the distinct ones).

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

The square root of 731349900 is about 27043.4816545503. The cubic root of 731349900 is about 900.9659998265.

The spelling of 731349900 in words is "seven hundred thirty-one million, three hundred forty-nine thousand, nine hundred".