71319993024 has 112 divisors (see below), whose sum is σ = 218695804416. Its totient is φ = 20090112000.

The previous prime is 71319993007. The next prime is 71319993029. The reversal of 71319993024 is 42039991317.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (71319993029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278277 + ... + 469124.

Almost surely, 2^71319993024 is an apocalyptic number.

It is an amenable number.

71319993024 is an abundant number, since it is smaller than the sum of its proper divisors (147375811392).

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

71319993024 is a wasteful number, since it uses less digits than its factorization.

71319993024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747494 (or 747484 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 71319993024 in words is "seventy-one billion, three hundred nineteen million, nine hundred ninety-three thousand, twenty-four".