725493782 has 16 divisors (see below), whose sum is σ = 1172834880. Its totient is φ = 334590912.

The previous prime is 725493773. The next prime is 725493823. The reversal of 725493782 is 287394527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27194 + ... + 46802.

It is an arithmetic number, because the mean of its divisors is an integer number (73302180).

Almost surely, 2^725493782 is an apocalyptic number.

725493782 is a deficient number, since it is larger than the sum of its proper divisors (447341098).

725493782 is a wasteful number, since it uses less digits than its factorization.

725493782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047.

The product of its digits is 846720, while the sum is 47.

The square root of 725493782 is about 26934.9917764977. The cubic root of 725493782 is about 898.5547924821.

The spelling of 725493782 in words is "seven hundred twenty-five million, four hundred ninety-three thousand, seven hundred eighty-two".