71936968 has 8 divisors (see below), whose sum is σ = 134881830. Its totient is φ = 35968480.

The previous prime is 71936959. The next prime is 71936993. The reversal of 71936968 is 86963917.

It can be written as a sum of positive squares in only one way, i.e., 67864644 + 4072324 = 8238^2 + 2018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4496053 + ... + 4496068.

Almost surely, 2^71936968 is an apocalyptic number.

It is an amenable number.

71936968 is a deficient number, since it is larger than the sum of its proper divisors (62944862).

71936968 is a wasteful number, since it uses less digits than its factorization.

71936968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992127 (or 8992123 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 71936968 is about 8481.5663647701. The cubic root of 71936968 is about 415.8953293117.

It can be divided in two parts, 7193 and 6968, that added together give a square (14161 = 119²).

The spelling of 71936968 in words is "seventy-one million, nine hundred thirty-six thousand, nine hundred sixty-eight".