76140331 has 4 divisors (see below), whose sum is σ = 80619192. Its totient is φ = 71661472.

The previous prime is 76140319. The next prime is 76140347. The reversal of 76140331 is 13304167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13304167 = 619 ⋅21493.

It is a cyclic number.

It is not a de Polignac number, because 76140331 - 2⁷ = 76140203 is a prime.

It is a super-2 number, since 2×76140331² = 11594700009579122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76140296 and 76140305.

It is not an unprimeable number, because it can be changed into a prime (76146331) 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, 2239405 + ... + 2239438.

It is an arithmetic number, because the mean of its divisors is an integer number (20154798).

Almost surely, 2^76140331 is an apocalyptic number.

76140331 is a deficient number, since it is larger than the sum of its proper divisors (4478861).

76140331 is a wasteful number, since it uses less digits than its factorization.

76140331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478860.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 76140331 is about 8725.8427100195. The cubic root of 76140331 is about 423.8429074949.

Adding to 76140331 its reverse (13304167), we get a palindrome (89444498).

The spelling of 76140331 in words is "seventy-six million, one hundred forty thousand, three hundred thirty-one".