71232808 has 16 divisors (see below), whose sum is σ = 134788500. Its totient is φ = 35289216.

The previous prime is 71232803. The next prime is 71232851. The reversal of 71232808 is 80823217.

It can be written as a sum of positive squares in 2 ways, for example, as 62694724 + 8538084 = 7918^2 + 2922^2 .

It is a super-2 number, since 2×71232808² = 10148225871129728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71232808.

It is not an unprimeable number, because it can be changed into a prime (71232803) 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, 39973 + ... + 41716.

Almost surely, 2^71232808 is an apocalyptic number.

It is an amenable number.

71232808 is a deficient number, since it is larger than the sum of its proper divisors (63555692).

71232808 is a wasteful number, since it uses less digits than its factorization.

71232808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81804 (or 81800 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 71232808 is about 8439.9530804383. The cubic root of 71232808 is about 414.5338705993.

The spelling of 71232808 in words is "seventy-one million, two hundred thirty-two thousand, eight hundred eight".