76634331 has 4 divisors (see below), whose sum is σ = 102179112. Its totient is φ = 51089552.

The previous prime is 76634309. The next prime is 76634339. The reversal of 76634331 is 13343667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13343667 = 3 ⋅4447889.

It is a cyclic number.

It is not a de Polignac number, because 76634331 - 2⁷ = 76634203 is a prime.

It is a super-2 number, since 2×76634331² = 11745641375635122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76634292 and 76634301.

It is not an unprimeable number, because it can be changed into a prime (76634339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12772386 + ... + 12772391.

It is an arithmetic number, because the mean of its divisors is an integer number (25544778).

Almost surely, 2^76634331 is an apocalyptic number.

76634331 is a deficient number, since it is larger than the sum of its proper divisors (25544781).

76634331 is a wasteful number, since it uses less digits than its factorization.

76634331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25544780.

The product of its digits is 27216, while the sum is 33.

The square root of 76634331 is about 8754.1036662813. The cubic root of 76634331 is about 424.7575660015.

Adding to 76634331 its reverse (13343667), we get a palindrome (89977998).

The spelling of 76634331 in words is "seventy-six million, six hundred thirty-four thousand, three hundred thirty-one".