725897896 has 8 divisors (see below), whose sum is σ = 1361058570. Its totient is φ = 362948944.

The previous prime is 725897873. The next prime is 725897903. The reversal of 725897896 is 698798527.

It can be written as a sum of positive squares in only one way, i.e., 681940996 + 43956900 = 26114^2 + 6630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45368611 + ... + 45368626.

Almost surely, 2^725897896 is an apocalyptic number.

It is an amenable number.

725897896 is a deficient number, since it is larger than the sum of its proper divisors (635160674).

725897896 is a wasteful number, since it uses less digits than its factorization.

725897896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90737243 (or 90737239 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The square root of 725897896 is about 26942.4923865629. The cubic root of 725897896 is about 898.7215989524.

The spelling of 725897896 in words is "seven hundred twenty-five million, eight hundred ninety-seven thousand, eight hundred ninety-six".