725351404 has 12 divisors (see below), whose sum is σ = 1303672384. Its totient is φ = 352873584.

The previous prime is 725351401. The next prime is 725351413. The reversal of 725351404 is 404153527.

It is a super-2 number, since 2×725351404² = 1052269318569542432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (725351401) 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, 2450364 + ... + 2450659.

Almost surely, 2^725351404 is an apocalyptic number.

725351404 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

725351404 is a deficient number, since it is larger than the sum of its proper divisors (578320980).

725351404 is a wasteful number, since it uses less digits than its factorization.

725351404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901064 (or 4901062 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 725351404 is about 26932.3486536173. The cubic root of 725351404 is about 898.4960082410.

The spelling of 725351404 in words is "seven hundred twenty-five million, three hundred fifty-one thousand, four hundred four".