118072728 has 48 divisors (see below), whose sum is σ = 331629480. Its totient is φ = 39356928.

The previous prime is 118072727. The next prime is 118072733. The reversal of 118072728 is 827270811.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 118072692 and 118072701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118072723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28425 + ... + 32312.

Almost surely, 2^118072728 is an apocalyptic number.

118072728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118072728 is an abundant number, since it is smaller than the sum of its proper divisors (213556752).

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

118072728 is an equidigital number, since it uses as much as digits as its factorization.

118072728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60758 (or 60742 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 118072728 is about 10866.1275530890. The cubic root of 118072728 is about 490.5875611715.

It can be divided in two parts, 11807 and 2728, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 118072728 in words is "one hundred eighteen million, seventy-two thousand, seven hundred twenty-eight".