76396331 has 4 divisors (see below), whose sum is σ = 83341464. Its totient is φ = 69451200.

The previous prime is 76396301. The next prime is 76396343. The reversal of 76396331 is 13369367.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13369367 = 11 ⋅1215397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76396331 is a prime.

It is a super-2 number, since 2×76396331² = 11672798780523122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76396301) 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, 3472550 + ... + 3472571.

It is an arithmetic number, because the mean of its divisors is an integer number (20835366).

Almost surely, 2^76396331 is an apocalyptic number.

76396331 is a deficient number, since it is larger than the sum of its proper divisors (6945133).

76396331 is a wasteful number, since it uses less digits than its factorization.

76396331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945132.

The product of its digits is 61236, while the sum is 38.

The square root of 76396331 is about 8740.4994708541. The cubic root of 76396331 is about 424.3173928093.

The spelling of 76396331 in words is "seventy-six million, three hundred ninety-six thousand, three hundred thirty-one".