116720730 has 64 divisors (see below), whose sum is σ = 355726080. Its totient is φ = 26678592.

The previous prime is 116720729. The next prime is 116720731. The reversal of 116720730 is 37027611.

It is an interprime number because it is at equal distance from previous prime (116720729) and next prime (116720731).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 116720694 and 116720703.

It is not an unprimeable number, because it can be changed into a prime (116720731) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28989 + ... + 32768.

It is an arithmetic number, because the mean of its divisors is an integer number (5558220).

Almost surely, 2^116720730 is an apocalyptic number.

116720730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116720730 is an abundant number, since it is smaller than the sum of its proper divisors (239005350).

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

116720730 is a wasteful number, since it uses less digits than its factorization.

116720730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61780 (or 61774 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 116720730 is about 10803.7368535151. The cubic root of 116720730 is about 488.7078687222.

The spelling of 116720730 in words is "one hundred sixteen million, seven hundred twenty thousand, seven hundred thirty".