118746720 has 72 divisors (see below), whose sum is σ = 405228096. Its totient is φ = 31665408.

The previous prime is 118746707. The next prime is 118746739. The reversal of 118746720 is 27647811.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 39792 + ... + 42671.

It is an arithmetic number, because the mean of its divisors is an integer number (5628168).

Almost surely, 2^118746720 is an apocalyptic number.

118746720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118746720 is an abundant number, since it is smaller than the sum of its proper divisors (286481376).

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

118746720 is a wasteful number, since it uses less digits than its factorization.

118746720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82484 (or 82473 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 118746720 is about 10897.0968610910. The cubic root of 118746720 is about 491.5192607360.

The spelling of 118746720 in words is "one hundred eighteen million, seven hundred forty-six thousand, seven hundred twenty".