76216765 has 8 divisors (see below), whose sum is σ = 91588320. Its totient is φ = 60887952.

The previous prime is 76216697. The next prime is 76216783. The reversal of 76216765 is 56761267.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76216765 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (11448540).

Almost surely, 2^76216765 is an apocalyptic number.

It is an amenable number.

76216765 is a deficient number, since it is larger than the sum of its proper divisors (15371555).

76216765 is a wasteful number, since it uses less digits than its factorization.

76216765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21371.

The product of its digits is 105840, while the sum is 40.

The square root of 76216765 is about 8730.2213603093. The cubic root of 76216765 is about 423.9846859456.

The spelling of 76216765 in words is "seventy-six million, two hundred sixteen thousand, seven hundred sixty-five".