71292316 has 12 divisors (see below), whose sum is σ = 124921440. Its totient is φ = 35600480.

The previous prime is 71292257. The next prime is 71292329. The reversal of 71292316 is 61329217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7780 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (10410120).

Almost surely, 2^71292316 is an apocalyptic number.

It is an amenable number.

71292316 is a deficient number, since it is larger than the sum of its proper divisors (53629124).

71292316 is a wasteful number, since it uses less digits than its factorization.

71292316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22844 (or 22842 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 71292316 is about 8443.4777195182. The cubic root of 71292316 is about 414.6492725524.

The spelling of 71292316 in words is "seventy-one million, two hundred ninety-two thousand, three hundred sixteen".