71395564 has 12 divisors (see below), whose sum is σ = 129250800. Its totient is φ = 34466768.

The previous prime is 71395561. The next prime is 71395567. The reversal of 71395564 is 46559317.

71395564 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (71395561) and next prime (71395567).

71395564 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (71395561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307624 + ... + 307855.

It is an arithmetic number, because the mean of its divisors is an integer number (10770900).

Almost surely, 2^71395564 is an apocalyptic number.

It is an amenable number.

71395564 is a deficient number, since it is larger than the sum of its proper divisors (57855236).

71395564 is a wasteful number, since it uses less digits than its factorization.

71395564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615512 (or 615510 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 71395564 is about 8449.5895758315. The cubic root of 71395564 is about 414.8493458094.

The spelling of 71395564 in words is "seventy-one million, three hundred ninety-five thousand, five hundred sixty-four".