74392753 has 2 divisors, whose sum is σ = 74392754. Its totient is φ = 74392752.

The previous prime is 74392727. The next prime is 74392763. The reversal of 74392753 is 35729347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55234624 + 19158129 = 7432^2 + 4377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74392753 is a prime.

It is not a weakly prime, because it can be changed into another prime (74392763) 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, 37196376 + 37196377.

It is an arithmetic number, because the mean of its divisors is an integer number (37196377).

Almost surely, 2^74392753 is an apocalyptic number.

It is an amenable number.

74392753 is a deficient number, since it is larger than the sum of its proper divisors (1).

74392753 is an equidigital number, since it uses as much as digits as its factorization.

74392753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 40.

The square root of 74392753 is about 8625.1233614366. The cubic root of 74392753 is about 420.5750871052.

The spelling of 74392753 in words is "seventy-four million, three hundred ninety-two thousand, seven hundred fifty-three".