76706775 has 18 divisors (see below), whose sum is σ = 137390760. Its totient is φ = 40910160.

The previous prime is 76706761. The next prime is 76706783. The reversal of 76706775 is 57760767.

It is a happy number.

It is not a de Polignac number, because 76706775 - 2⁷ = 76706647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 76706775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 170235 + ... + 170684.

It is an arithmetic number, because the mean of its divisors is an integer number (7632820).

Almost surely, 2^76706775 is an apocalyptic number.

76706775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76706775 is a deficient number, since it is larger than the sum of its proper divisors (60683985).

76706775 is a wasteful number, since it uses less digits than its factorization.

76706775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340935 (or 340927 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The square root of 76706775 is about 8758.2404054696. The cubic root of 76706775 is about 424.8913678525.

The spelling of 76706775 in words is "seventy-six million, seven hundred six thousand, seven hundred seventy-five".