71464544 has 12 divisors (see below), whose sum is σ = 140695884. Its totient is φ = 35732256.

The previous prime is 71464537. The next prime is 71464573. The reversal of 71464544 is 44546417.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116602 + ... + 1116665.

It is an arithmetic number, because the mean of its divisors is an integer number (11724657).

Almost surely, 2^71464544 is an apocalyptic number.

It is an amenable number.

71464544 is a deficient number, since it is larger than the sum of its proper divisors (69231340).

71464544 is a wasteful number, since it uses less digits than its factorization.

71464544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233277 (or 2233269 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 71464544 is about 8453.6704454337. The cubic root of 71464544 is about 414.9829073136.

The spelling of 71464544 in words is "seventy-one million, four hundred sixty-four thousand, five hundred forty-four".