76330391 has 12 divisors (see below), whose sum is σ = 85358280. Its totient is φ = 68054400.

The previous prime is 76330381. The next prime is 76330393. The reversal of 76330391 is 19303367.

It is a de Polignac number, because none of the positive numbers 2^k-76330391 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76330393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1460 + ... + 12441.

It is an arithmetic number, because the mean of its divisors is an integer number (7113190).

Almost surely, 2^76330391 is an apocalyptic number.

76330391 is a deficient number, since it is larger than the sum of its proper divisors (9027889).

76330391 is a wasteful number, since it uses less digits than its factorization.

76330391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13954 (or 13937 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 76330391 is about 8736.7265609037. The cubic root of 76330391 is about 424.1952772471.

The spelling of 76330391 in words is "seventy-six million, three hundred thirty thousand, three hundred ninety-one".