18757080720 has 480 divisors, whose sum is σ = 74756358144. Its totient is φ = 4124390400.

The previous prime is 18757080709. The next prime is 18757080731. The reversal of 18757080720 is 2708075781.

18757080720 is a `hidden beast` number, since 1 + 8 + 7 + 570 + 8 + 0 + 72 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (18757080709) and next prime (18757080731).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 42340819 + ... + 42341261.

Almost surely, 2^18757080720 is an apocalyptic number.

18757080720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18757080720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37378179072).

18757080720 is an abundant number, since it is smaller than the sum of its proper divisors (55999277424).

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

18757080720 is a wasteful number, since it uses less digits than its factorization.

18757080720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 45.

The spelling of 18757080720 in words is "eighteen billion, seven hundred fifty-seven million, eighty thousand, seven hundred twenty".