76930770 has 64 divisors (see below), whose sum is σ = 216734976. Its totient is φ = 17107200.

The previous prime is 76930757. The next prime is 76930781. The reversal of 76930770 is 7703967.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2820 + ... + 12720.

It is an arithmetic number, because the mean of its divisors is an integer number (3386484).

Almost surely, 2^76930770 is an apocalyptic number.

76930770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 76930770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108367488).

76930770 is an abundant number, since it is smaller than the sum of its proper divisors (139804206).

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

76930770 is a wasteful number, since it uses less digits than its factorization.

76930770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 76930770 is about 8771.0187549680. The cubic root of 76930770 is about 425.3045475737.

The spelling of 76930770 in words is "seventy-six million, nine hundred thirty thousand, seven hundred seventy".