71616916 has 24 divisors (see below), whose sum is σ = 143964800. Its totient is φ = 30536352.

The previous prime is 71616907. The next prime is 71616959. The reversal of 71616916 is 61961617.

71616916 = T₁₆₀ + T₁₆₁ + ... + T₇₅₆.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 11998.

Almost surely, 2^71616916 is an apocalyptic number.

It is an amenable number.

71616916 is an abundant number, since it is smaller than the sum of its proper divisors (72347884).

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

71616916 is a wasteful number, since it uses less digits than its factorization.

71616916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063 (or 13061 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 71616916 is about 8462.6778267875. The cubic root of 71616916 is about 415.2776310355.

The spelling of 71616916 in words is "seventy-one million, six hundred sixteen thousand, nine hundred sixteen".