725572434 has 16 divisors (see below), whose sum is σ = 1457169120. Its totient is φ = 240853440.

The previous prime is 725572363. The next prime is 725572439. The reversal of 725572434 is 434275527.

It is a junction number, because it is equal to n+sod(n) for n = 725572392 and 725572401.

It is not an unprimeable number, because it can be changed into a prime (725572439) 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, 249444 + ... + 252335.

It is an arithmetic number, because the mean of its divisors is an integer number (91073070).

Almost surely, 2^725572434 is an apocalyptic number.

725572434 is an abundant number, since it is smaller than the sum of its proper divisors (731596686).

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

725572434 is a wasteful number, since it uses less digits than its factorization.

725572434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502025.

The product of its digits is 235200, while the sum is 39.

The square root of 725572434 is about 26936.4517707882. The cubic root of 725572434 is about 898.5872625871.

The spelling of 725572434 in words is "seven hundred twenty-five million, five hundred seventy-two thousand, four hundred thirty-four".