725193780 has 48 divisors (see below), whose sum is σ = 2064968640. Its totient is φ = 190106368.

The previous prime is 725193779. The next prime is 725193793. The reversal of 725193780 is 87391527.

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, 98889 + ... + 105968.

It is an arithmetic number, because the mean of its divisors is an integer number (43020180).

Almost surely, 2^725193780 is an apocalyptic number.

It is an amenable number.

725193780 is an abundant number, since it is smaller than the sum of its proper divisors (1339774860).

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

725193780 is a wasteful number, since it uses less digits than its factorization.

725193780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204928 (or 204926 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 725193780 is about 26929.4221995200. The cubic root of 725193780 is about 898.4309203430.

The spelling of 725193780 in words is "seven hundred twenty-five million, one hundred ninety-three thousand, seven hundred eighty".