76939530 has 16 divisors (see below), whose sum is σ = 184654944. Its totient is φ = 20517200.

The previous prime is 76939529. The next prime is 76939537. The reversal of 76939530 is 3593967.

It is not an unprimeable number, because it can be changed into a prime (76939537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282296 + ... + 1282355.

It is an arithmetic number, because the mean of its divisors is an integer number (11540934).

Almost surely, 2^76939530 is an apocalyptic number.

76939530 is an abundant number, since it is smaller than the sum of its proper divisors (107715414).

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

76939530 is a wasteful number, since it uses less digits than its factorization.

76939530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564661.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 76939530 is about 8771.5181126188. The cubic root of 76939530 is about 425.3206899072.

The spelling of 76939530 in words is "seventy-six million, nine hundred thirty-nine thousand, five hundred thirty".