76672031 has 2 divisors, whose sum is σ = 76672032. Its totient is φ = 76672030.

The previous prime is 76672019. The next prime is 76672033. The reversal of 76672031 is 13027667.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76672031 is a prime.

It is a super-2 number, since 2×76672031² = 11757200675329922, which contains 22 as substring.

Together with 76672033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76672033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38336015 + 38336016.

It is an arithmetic number, because the mean of its divisors is an integer number (38336016).

Almost surely, 2^76672031 is an apocalyptic number.

76672031 is a deficient number, since it is larger than the sum of its proper divisors (1).

76672031 is an equidigital number, since it uses as much as digits as its factorization.

76672031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 76672031 is about 8756.2566773708. The cubic root of 76672031 is about 424.8272072656.

Adding to 76672031 its reverse (13027667), we get a palindrome (89699698).

The spelling of 76672031 in words is "seventy-six million, six hundred seventy-two thousand, thirty-one".