71961912024 has 16 divisors (see below), whose sum is σ = 179904780120. Its totient is φ = 23987304000.

The previous prime is 71961912023. The next prime is 71961912037. The reversal of 71961912024 is 42021916917.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71961912023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499206477 + ... + 1499206524.

Almost surely, 2^71961912024 is an apocalyptic number.

It is an amenable number.

71961912024 is an abundant number, since it is smaller than the sum of its proper divisors (107942868096).

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

71961912024 is a wasteful number, since it uses less digits than its factorization.

71961912024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998413010 (or 2998413006 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 71961912024 in words is "seventy-one billion, nine hundred sixty-one million, nine hundred twelve thousand, twenty-four".