71974806 has 16 divisors (see below), whose sum is σ = 145050048. Its totient is φ = 23808200.

The previous prime is 71974789. The next prime is 71974823. The reversal of 71974806 is 60847917.

It is an interprime number because it is at equal distance from previous prime (71974789) and next prime (71974823).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45000 + ... + 46571.

It is an arithmetic number, because the mean of its divisors is an integer number (9065628).

Almost surely, 2^71974806 is an apocalyptic number.

71974806 is an abundant number, since it is smaller than the sum of its proper divisors (73075242).

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

71974806 is a wasteful number, since it uses less digits than its factorization.

71974806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91707.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 71974806 is about 8483.7966736597. The cubic root of 71974806 is about 415.9682352163.

The spelling of 71974806 in words is "seventy-one million, nine hundred seventy-four thousand, eight hundred six".