725695408 has 20 divisors (see below), whose sum is σ = 1440329688. Its totient is φ = 353997440.

The previous prime is 725695387. The next prime is 725695429. The reversal of 725695408 is 804596527.

It is an interprime number because it is at equal distance from previous prime (725695387) and next prime (725695429).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552466 + ... + 553777.

Almost surely, 2^725695408 is an apocalyptic number.

It is an amenable number.

725695408 is a deficient number, since it is larger than the sum of its proper divisors (714634280).

725695408 is a wasteful number, since it uses less digits than its factorization.

725695408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106292 (or 1106286 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 725695408 is about 26938.7343429494. The cubic root of 725695408 is about 898.6380255537.

It can be divided in two parts, 72569 and 5408, that added together give a palindrome (77977).

The spelling of 725695408 in words is "seven hundred twenty-five million, six hundred ninety-five thousand, four hundred eight".