74980079 has 2 divisors, whose sum is σ = 74980080. Its totient is φ = 74980078.

The previous prime is 74980067. The next prime is 74980117. The reversal of 74980079 is 97008947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74980079 - 2⁴ = 74980063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74980039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37490039 + 37490040.

It is an arithmetic number, because the mean of its divisors is an integer number (37490040).

Almost surely, 2^74980079 is an apocalyptic number.

74980079 is a deficient number, since it is larger than the sum of its proper divisors (1).

74980079 is an equidigital number, since it uses as much as digits as its factorization.

74980079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 74980079 is about 8659.1038219899. The cubic root of 74980079 is about 421.6789915176.

The spelling of 74980079 in words is "seventy-four million, nine hundred eighty thousand, seventy-nine".