71472976 has 20 divisors (see below), whose sum is σ = 138673044. Its totient is φ = 35686400.

The previous prime is 71472967. The next prime is 71472997. The reversal of 71472976 is 67927417.

It can be written as a sum of positive squares in 2 ways, for example, as 35760400 + 35712576 = 5980^2 + 5976^2 .

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, 10416 + ... + 15856.

Almost surely, 2^71472976 is an apocalyptic number.

It is an amenable number.

71472976 is a deficient number, since it is larger than the sum of its proper divisors (67200068).

71472976 is a wasteful number, since it uses less digits than its factorization.

71472976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270 (or 6264 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 71472976 is about 8454.1691490057. The cubic root of 71472976 is about 414.9992277530. Note that the first 3 decimals are identical.

The spelling of 71472976 in words is "seventy-one million, four hundred seventy-two thousand, nine hundred seventy-six".