71973496 has 32 divisors (see below), whose sum is σ = 155422080. Its totient is φ = 30607200.

The previous prime is 71973487. The next prime is 71973521. The reversal of 71973496 is 69437917.

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, 2431 + ... + 12241.

It is an arithmetic number, because the mean of its divisors is an integer number (4856940).

Almost surely, 2^71973496 is an apocalyptic number.

It is an amenable number.

71973496 is an abundant number, since it is smaller than the sum of its proper divisors (83448584).

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

71973496 is a wasteful number, since it uses less digits than its factorization.

71973496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955 (or 9951 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 71973496 is about 8483.7194673091. The cubic root of 71973496 is about 415.9657115476.

The spelling of 71973496 in words is "seventy-one million, nine hundred seventy-three thousand, four hundred ninety-six".