76508761 has 16 divisors (see below), whose sum is σ = 88974720. Its totient is φ = 64437120.

The previous prime is 76508759. The next prime is 76508771. The reversal of 76508761 is 16780567.

It is a cyclic number.

It is not a de Polignac number, because 76508761 - 2¹ = 76508759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76508771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141151 + ... + 141691.

It is an arithmetic number, because the mean of its divisors is an integer number (5560920).

Almost surely, 2^76508761 is an apocalyptic number.

It is an amenable number.

76508761 is a deficient number, since it is larger than the sum of its proper divisors (12465959).

76508761 is a wasteful number, since it uses less digits than its factorization.

76508761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 76508761 is about 8746.9286609644. The cubic root of 76508761 is about 424.5254421598.

The spelling of 76508761 in words is "seventy-six million, five hundred eight thousand, seven hundred sixty-one".