71772874 has 8 divisors (see below), whose sum is σ = 111132288. Its totient is φ = 34728780.

The previous prime is 71772863. The next prime is 71772887. The reversal of 71772874 is 47827717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71772874.

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, 578752 + ... + 578875.

It is an arithmetic number, because the mean of its divisors is an integer number (13891536).

Almost surely, 2^71772874 is an apocalyptic number.

71772874 is a deficient number, since it is larger than the sum of its proper divisors (39359414).

71772874 is a wasteful number, since it uses less digits than its factorization.

71772874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157660.

The product of its digits is 153664, while the sum is 43.

The square root of 71772874 is about 8471.8872749819. The cubic root of 71772874 is about 415.5788583446.

The spelling of 71772874 in words is "seventy-one million, seven hundred seventy-two thousand, eight hundred seventy-four".