725370912 has 180 divisors, whose sum is σ = 2408719950. Its totient is φ = 207051264.

The previous prime is 725370901. The next prime is 725370917. The reversal of 725370912 is 219073527.

It can be written as a sum of positive squares in only one way, i.e., 473323536 + 252047376 = 21756^2 + 15876^2 .

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 (725370917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 690964 + ... + 692012.

Almost surely, 2^725370912 is an apocalyptic number.

725370912 is a gapful number since it is divisible by the number (72) 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 725370912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204359975).

725370912 is an abundant number, since it is smaller than the sum of its proper divisors (1683349038).

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

725370912 is a wasteful number, since it uses less digits than its factorization.

725370912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 725370912 is about 26932.7108178883. The cubic root of 725370912 is about 898.5040630509.

The spelling of 725370912 in words is "seven hundred twenty-five million, three hundred seventy thousand, nine hundred twelve".