76672279 has 2 divisors, whose sum is σ = 76672280. Its totient is φ = 76672278.

The previous prime is 76672247. The next prime is 76672301. The reversal of 76672279 is 97227667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76672279 - 2⁵ = 76672247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76672229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38336139 + 38336140.

It is an arithmetic number, because the mean of its divisors is an integer number (38336140).

Almost surely, 2^76672279 is an apocalyptic number.

76672279 is a deficient number, since it is larger than the sum of its proper divisors (1).

76672279 is an equidigital number, since it uses as much as digits as its factorization.

76672279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 46.

The square root of 76672279 is about 8756.2708386619. The cubic root of 76672279 is about 424.8276653076.

The spelling of 76672279 in words is "seventy-six million, six hundred seventy-two thousand, two hundred seventy-nine".