74099797 has 2 divisors, whose sum is σ = 74099798. Its totient is φ = 74099796.

The previous prime is 74099783. The next prime is 74099819. The reversal of 74099797 is 79799047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66487716 + 7612081 = 8154^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 74099797 - 2²³ = 65711189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74099497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37049898 + 37049899.

It is an arithmetic number, because the mean of its divisors is an integer number (37049899).

Almost surely, 2^74099797 is an apocalyptic number.

It is an amenable number.

74099797 is a deficient number, since it is larger than the sum of its proper divisors (1).

74099797 is an equidigital number, since it uses as much as digits as its factorization.

74099797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 74099797 is about 8608.1238954838. The cubic root of 74099797 is about 420.0222909560.

The spelling of 74099797 in words is "seventy-four million, ninety-nine thousand, seven hundred ninety-seven".