77064675 has 24 divisors (see below), whose sum is σ = 127866816. Its totient is φ = 40955040.

The previous prime is 77064671. The next prime is 77064677. The reversal of 77064675 is 57646077.

It is not a de Polignac number, because 77064675 - 2² = 77064671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77064671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21352 + ... + 24698.

It is an arithmetic number, because the mean of its divisors is an integer number (5327784).

Almost surely, 2^77064675 is an apocalyptic number.

77064675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

77064675 is a deficient number, since it is larger than the sum of its proper divisors (50802141).

77064675 is a wasteful number, since it uses less digits than its factorization.

77064675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 77064675 is about 8778.6488140260. The cubic root of 77064675 is about 425.5511649541.

The spelling of 77064675 in words is "seventy-seven million, sixty-four thousand, six hundred seventy-five".