725554632 has 32 divisors (see below), whose sum is σ = 1978786080. Its totient is φ = 219864960.

The previous prime is 725554607. The next prime is 725554637. The reversal of 725554632 is 236455527.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (725554637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373893 + ... + 1374420.

It is an arithmetic number, because the mean of its divisors is an integer number (61837065).

Almost surely, 2^725554632 is an apocalyptic number.

It is an amenable number.

725554632 is an abundant number, since it is smaller than the sum of its proper divisors (1253231448).

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

725554632 is a wasteful number, since it uses less digits than its factorization.

725554632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748333 (or 2748329 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 725554632 is about 26936.1213243481. The cubic root of 725554632 is about 898.5799135477.

The spelling of 725554632 in words is "seven hundred twenty-five million, five hundred fifty-four thousand, six hundred thirty-two".