72023807754 has 24 divisors (see below), whose sum is σ = 157660366500. Its totient is φ = 23760430848.

The previous prime is 72023807659. The next prime is 72023807761. The reversal of 72023807754 is 45770832027.

It can be written as a sum of positive squares in 2 ways, for example, as 64504316529 + 7519491225 = 253977^2 + 86715^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20623629 + ... + 20627120.

Almost surely, 2^72023807754 is an apocalyptic number.

72023807754 is an abundant number, since it is smaller than the sum of its proper divisors (85636558746).

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

72023807754 is a wasteful number, since it uses less digits than its factorization.

72023807754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41250854 (or 41250851 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 72023807754 in words is "seventy-two billion, twenty-three million, eight hundred seven thousand, seven hundred fifty-four".