71874056 has 8 divisors (see below), whose sum is σ = 134763870. Its totient is φ = 35937024.

The previous prime is 71874031. The next prime is 71874059. The reversal of 71874056 is 65047817.

It can be written as a sum of positive squares in only one way, i.e., 66161956 + 5712100 = 8134^2 + 2390^2 .

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

It is a super-2 number, since 2×71874056² = 10331759851782272, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 71874056 parts by 11989 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (71874059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492121 + ... + 4492136.

Almost surely, 2^71874056 is an apocalyptic number.

It is an amenable number.

71874056 is a deficient number, since it is larger than the sum of its proper divisors (62889814).

71874056 is a wasteful number, since it uses less digits than its factorization.

71874056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984263 (or 8984259 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 71874056 is about 8477.8568046411. The cubic root of 71874056 is about 415.7740544475.

The spelling of 71874056 in words is "seventy-one million, eight hundred seventy-four thousand, fifty-six".