18682072752 has 80 divisors (see below), whose sum is σ = 58401119232. Its totient is φ = 5023749120.

The previous prime is 18682072729. The next prime is 18682072757. The reversal of 18682072752 is 25727028681.

It is a super-2 number, since 2×18682072752² (a number of 21 digits) contains 22 as substring.

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 (18682072757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629624 + ... + 1641047.

Almost surely, 2^18682072752 is an apocalyptic number.

18682072752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18682072752 is an abundant number, since it is smaller than the sum of its proper divisors (39719046480).

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

18682072752 is a wasteful number, since it uses less digits than its factorization.

18682072752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270706 (or 3270700 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 18682072752 in words is "eighteen billion, six hundred eighty-two million, seventy-two thousand, seven hundred fifty-two".