118720740 has 96 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 29794176.

The previous prime is 118720739. The next prime is 118720747. The reversal of 118720740 is 47027811.

It is a super-2 number, since 2×118720740² = 28189228212295200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 118720698 and 118720707.

It is not an unprimeable number, because it can be changed into a prime (118720747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253987 + ... + 254453.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^118720740 is an apocalyptic number.

118720740 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 118720740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176117760).

118720740 is an abundant number, since it is smaller than the sum of its proper divisors (233514780).

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

118720740 is a wasteful number, since it uses less digits than its factorization.

118720740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 118720740 is about 10895.9047352664. The cubic root of 118720740 is about 491.4834124426.

The spelling of 118720740 in words is "one hundred eighteen million, seven hundred twenty thousand, seven hundred forty".