76780970 has 16 divisors (see below), whose sum is σ = 157949568. Its totient is φ = 26324880.

The previous prime is 76780961. The next prime is 76780973. The reversal of 76780970 is 7908767.

It is not an unprimeable number, because it can be changed into a prime (76780973) 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 7 ways as a sum of consecutive naturals, for example, 548366 + ... + 548505.

It is an arithmetic number, because the mean of its divisors is an integer number (9871848).

Almost surely, 2^76780970 is an apocalyptic number.

76780970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76780970 is an abundant number, since it is smaller than the sum of its proper divisors (81168598).

76780970 is a wasteful number, since it uses less digits than its factorization.

76780970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096885.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 76780970 is about 8762.4751069547. The cubic root of 76780970 is about 425.0283164524.

The spelling of 76780970 in words is "seventy-six million, seven hundred eighty thousand, nine hundred seventy".