71773264 has 20 divisors (see below), whose sum is σ = 141419520. Its totient is φ = 35277920.

The previous prime is 71773259. The next prime is 71773267. The reversal of 71773264 is 46237717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71773267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37072 + ... + 38959.

It is an arithmetic number, because the mean of its divisors is an integer number (7070976).

Almost surely, 2^71773264 is an apocalyptic number.

It is an amenable number.

71773264 is a deficient number, since it is larger than the sum of its proper divisors (69646256).

71773264 is a wasteful number, since it uses less digits than its factorization.

71773264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76098 (or 76092 counting only the distinct ones).

The product of its digits is 49392, while the sum is 37.

The square root of 71773264 is about 8471.9102922540. The cubic root of 71773264 is about 415.5796110684.

The spelling of 71773264 in words is "seventy-one million, seven hundred seventy-three thousand, two hundred sixty-four".