71974750 has 32 divisors (see below), whose sum is σ = 136779552. Its totient is φ = 28353600.

The previous prime is 71974711. The next prime is 71974757. The reversal of 71974750 is 5747917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71974757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14602 + ... + 18898.

It is an arithmetic number, because the mean of its divisors is an integer number (4274361).

Almost surely, 2^71974750 is an apocalyptic number.

71974750 is a deficient number, since it is larger than the sum of its proper divisors (64804802).

71974750 is a wasteful number, since it uses less digits than its factorization.

71974750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 71974750 is about 8483.7933732500. The cubic root of 71974750 is about 415.9681273349.

The spelling of 71974750 in words is "seventy-one million, nine hundred seventy-four thousand, seven hundred fifty".