74292913 has 2 divisors, whose sum is σ = 74292914. Its totient is φ = 74292912.

The previous prime is 74292899. The next prime is 74292919. The reversal of 74292913 is 31929247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 4787344 = 8337^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 74292913 - 2⁹ = 74292401 is a prime.

It is not a weakly prime, because it can be changed into another prime (74292919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37146456 + 37146457.

It is an arithmetic number, because the mean of its divisors is an integer number (37146457).

Almost surely, 2^74292913 is an apocalyptic number.

It is an amenable number.

74292913 is a deficient number, since it is larger than the sum of its proper divisors (1).

74292913 is an equidigital number, since it uses as much as digits as its factorization.

74292913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 74292913 is about 8619.3336749426. Note that the first 3 decimals coincide. The cubic root of 74292913 is about 420.3868563364.

The spelling of 74292913 in words is "seventy-four million, two hundred ninety-two thousand, nine hundred thirteen".