77134761 has 28 divisors (see below), whose sum is σ = 126175920. Its totient is φ = 46743480.

The previous prime is 77134753. The next prime is 77134823. The reversal of 77134761 is 16743177.

It is not a de Polignac number, because 77134761 - 2³ = 77134753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77134061) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3210 + ... + 12828.

Almost surely, 2^77134761 is an apocalyptic number.

It is an amenable number.

77134761 is a deficient number, since it is larger than the sum of its proper divisors (49041159).

77134761 is an equidigital number, since it uses as much as digits as its factorization.

77134761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648 (or 9633 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 77134761 is about 8782.6397512365. The cubic root of 77134761 is about 425.6801308392.

The spelling of 77134761 in words is "seventy-seven million, one hundred thirty-four thousand, seven hundred sixty-one".