71925388 has 12 divisors (see below), whose sum is σ = 125969200. Its totient is φ = 35934192.

The previous prime is 71925383. The next prime is 71925421. The reversal of 71925388 is 88352917.

It is a super-2 number, since 2×71925388² = 10346522877901088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) 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 (71925383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831 + ... + 12022.

Almost surely, 2^71925388 is an apocalyptic number.

It is an amenable number.

71925388 is a deficient number, since it is larger than the sum of its proper divisors (54043812).

71925388 is a wasteful number, since it uses less digits than its factorization.

71925388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256 (or 14254 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 71925388 is about 8480.8836803720. The cubic root of 71925388 is about 415.8730119669.

The spelling of 71925388 in words is "seventy-one million, nine hundred twenty-five thousand, three hundred eighty-eight".