76004431 has 2 divisors, whose sum is σ = 76004432. Its totient is φ = 76004430.

The previous prime is 76004417. The next prime is 76004441. The reversal of 76004431 is 13440067.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76004431 - 2⁷ = 76004303 is a prime.

It is a super-2 number, since 2×76004431² = 11553347063267522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76004396 and 76004405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38002215 + 38002216.

It is an arithmetic number, because the mean of its divisors is an integer number (38002216).

Almost surely, 2^76004431 is an apocalyptic number.

76004431 is a deficient number, since it is larger than the sum of its proper divisors (1).

76004431 is an equidigital number, since it uses as much as digits as its factorization.

76004431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 76004431 is about 8718.0520186565. The cubic root of 76004431 is about 423.5905902542.

Adding to 76004431 its reverse (13440067), we get a palindrome (89444498).

The spelling of 76004431 in words is "seventy-six million, four thousand, four hundred thirty-one".