71564125 has 16 divisors (see below), whose sum is σ = 90455040. Its totient is φ = 56518800.

The previous prime is 71564123. The next prime is 71564131. The reversal of 71564125 is 52146517.

It is not a de Polignac number, because 71564125 - 2¹ = 71564123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71564123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6252 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (5653440).

Almost surely, 2^71564125 is an apocalyptic number.

It is an amenable number.

71564125 is a deficient number, since it is larger than the sum of its proper divisors (18890915).

71564125 is an equidigital number, since it uses as much as digits as its factorization.

71564125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341 (or 7331 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 71564125 is about 8459.5582035943. The cubic root of 71564125 is about 415.1755680428.

The spelling of 71564125 in words is "seventy-one million, five hundred sixty-four thousand, one hundred twenty-five".