725333736 has 32 divisors (see below), whose sum is σ = 1814319360. Its totient is φ = 241646592.

The previous prime is 725333729. The next prime is 725333771. The reversal of 725333736 is 637333527.

It is a super-2 number, since 2×725333736² = 1052218057159435392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 725333694 and 725333703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43561 + ... + 57863.

It is an arithmetic number, because the mean of its divisors is an integer number (56697480).

Almost surely, 2^725333736 is an apocalyptic number.

It is an amenable number.

725333736 is an abundant number, since it is smaller than the sum of its proper divisors (1088985624).

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

725333736 is a wasteful number, since it uses less digits than its factorization.

725333736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16425 (or 16421 counting only the distinct ones).

The product of its digits is 238140, while the sum is 39.

The square root of 725333736 is about 26932.0206445785. The cubic root of 725333736 is about 898.4887130384.

The spelling of 725333736 in words is "seven hundred twenty-five million, three hundred thirty-three thousand, seven hundred thirty-six".