71516804 has 24 divisors (see below), whose sum is σ = 127424640. Its totient is φ = 35114976.

The previous prime is 71516761. The next prime is 71516843. The reversal of 71516804 is 40861517.

It is a happy number.

It is a super-2 number, since 2×71516804² = 10229306508748832, which contains 22 as substring.

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, 71234 + ... + 72230.

It is an arithmetic number, because the mean of its divisors is an integer number (5309360).

Almost surely, 2^71516804 is an apocalyptic number.

It is an amenable number.

71516804 is a deficient number, since it is larger than the sum of its proper divisors (55907836).

71516804 is a wasteful number, since it uses less digits than its factorization.

71516804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 71516804 is about 8456.7608456193. The cubic root of 71516804 is about 415.0840377545.

The spelling of 71516804 in words is "seventy-one million, five hundred sixteen thousand, eight hundred four".