76772339 has 4 divisors (see below), whose sum is σ = 87739824. Its totient is φ = 65804856.

The previous prime is 76772317. The next prime is 76772351. The reversal of 76772339 is 93327767.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76772339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76772339.

It is not an unprimeable number, because it can be changed into a prime (76772359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483732 + ... + 5483745.

It is an arithmetic number, because the mean of its divisors is an integer number (21934956).

Almost surely, 2^76772339 is an apocalyptic number.

76772339 is a deficient number, since it is larger than the sum of its proper divisors (10967485).

76772339 is a wasteful number, since it uses less digits than its factorization.

76772339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967484.

The product of its digits is 333396, while the sum is 44.

The square root of 76772339 is about 8761.9825952806. The cubic root of 76772339 is about 425.0123899502.

The spelling of 76772339 in words is "seventy-six million, seven hundred seventy-two thousand, three hundred thirty-nine".