725135384 has 16 divisors (see below), whose sum is σ = 1403488320. Its totient is φ = 350871840.

The previous prime is 725135381. The next prime is 725135407. The reversal of 725135384 is 483531527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725135381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461719 + ... + 1462214.

It is an arithmetic number, because the mean of its divisors is an integer number (87718020).

Almost surely, 2^725135384 is an apocalyptic number.

It is an amenable number.

725135384 is a deficient number, since it is larger than the sum of its proper divisors (678352936).

725135384 is a wasteful number, since it uses less digits than its factorization.

725135384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923970 (or 2923966 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 725135384 is about 26928.3379360851. The cubic root of 725135384 is about 898.4068044070.

The spelling of 725135384 in words is "seven hundred twenty-five million, one hundred thirty-five thousand, three hundred eighty-four".