71230264 has 64 divisors (see below), whose sum is σ = 164851200. Its totient is φ = 28178304.

The previous prime is 71230199. The next prime is 71230277. The reversal of 71230264 is 46203217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36399 + ... + 38305.

It is an arithmetic number, because the mean of its divisors is an integer number (2575800).

Almost surely, 2^71230264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71230264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82425600).

71230264 is an abundant number, since it is smaller than the sum of its proper divisors (93620936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71230264 is a wasteful number, since it uses less digits than its factorization.

71230264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 71230264 is about 8439.8023673543. The cubic root of 71230264 is about 414.5289356695.

It can be divided in two parts, 712 and 30264, that added together give a square (30976 = 176²).

The spelling of 71230264 in words is "seventy-one million, two hundred thirty thousand, two hundred sixty-four".