77064274 has 16 divisors (see below), whose sum is σ = 132568128. Its totient is φ = 32913072.

The previous prime is 77064259. The next prime is 77064307. The reversal of 77064274 is 47246077.

It is a happy number.

It is an unprimeable number.

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, 5292 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (8285508).

Almost surely, 2^77064274 is an apocalyptic number.

77064274 is a deficient number, since it is larger than the sum of its proper divisors (55503854).

77064274 is a wasteful number, since it uses less digits than its factorization.

77064274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19089.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 77064274 is about 8778.6259744905. The cubic root of 77064274 is about 425.5504268454.

The spelling of 77064274 in words is "seventy-seven million, sixty-four thousand, two hundred seventy-four".