725641500 has 48 divisors (see below), whose sum is σ = 2113072416. Its totient is φ = 193504000.

The previous prime is 725641463. The next prime is 725641529. The reversal of 725641500 is 5146527.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240381 + ... + 243380.

It is an arithmetic number, because the mean of its divisors is an integer number (44022342).

Almost surely, 2^725641500 is an apocalyptic number.

It is an amenable number.

725641500 is an abundant number, since it is smaller than the sum of its proper divisors (1387430916).

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

725641500 is a wasteful number, since it uses less digits than its factorization.

725641500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483783 (or 483771 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 725641500 is about 26937.7337576864. The cubic root of 725641500 is about 898.6157733445.

The spelling of 725641500 in words is "seven hundred twenty-five million, six hundred forty-one thousand, five hundred".