72023807756 has 24 divisors (see below), whose sum is σ = 133099362480. Its totient is φ = 34007530752.

The previous prime is 72023807659. The next prime is 72023807761. The reversal of 72023807756 is 65770832027.

It is a self number, because there is not a number n which added to its sum of digits gives 72023807756.

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, 1490081 + ... + 1537656.

It is an arithmetic number, because the mean of its divisors is an integer number (5545806770).

Almost surely, 2^72023807756 is an apocalyptic number.

72023807756 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72023807756 is a deficient number, since it is larger than the sum of its proper divisors (61075554724).

72023807756 is a wasteful number, since it uses less digits than its factorization.

72023807756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028073 (or 3028071 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 72023807756 in words is "seventy-two billion, twenty-three million, eight hundred seven thousand, seven hundred fifty-six".