71256700 has 36 divisors (see below), whose sum is σ = 157927392. Its totient is φ = 27894400.

The previous prime is 71256671. The next prime is 71256727. The reversal of 71256700 is 765217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2881 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (4386872).

Almost surely, 2^71256700 is an apocalyptic number.

It is an amenable number.

71256700 is an abundant number, since it is smaller than the sum of its proper divisors (86670692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71256700 is a wasteful number, since it uses less digits than its factorization.

71256700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222 (or 15215 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 71256700 is about 8441.3683724856. The cubic root of 71256700 is about 414.5802113067.

The spelling of 71256700 in words is "seventy-one million, two hundred fifty-six thousand, seven hundred".