725507562 has 32 divisors (see below), whose sum is σ = 1566714240. Its totient is φ = 222649920.

The previous prime is 725507537. The next prime is 725507569. The reversal of 725507562 is 265705527.

It is a super-2 number, since 2×725507562² = 1052722445038367688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 725507562.

It is not an unprimeable number, because it can be changed into a prime (725507569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18387 + ... + 42297.

It is an arithmetic number, because the mean of its divisors is an integer number (48959820).

Almost surely, 2^725507562 is an apocalyptic number.

725507562 is an abundant number, since it is smaller than the sum of its proper divisors (841206678).

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

725507562 is a wasteful number, since it uses less digits than its factorization.

725507562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24318.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 725507562 is about 26935.2475763636. The cubic root of 725507562 is about 898.5604814841.

The spelling of 725507562 in words is "seven hundred twenty-five million, five hundred seven thousand, five hundred sixty-two".