74485693 has 2 divisors, whose sum is σ = 74485694. Its totient is φ = 74485692.

The previous prime is 74485657. The next prime is 74485711. The reversal of 74485693 is 39658447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72641529 + 1844164 = 8523^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 74485693 - 2²¹ = 72388541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74485493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37242846 + 37242847.

It is an arithmetic number, because the mean of its divisors is an integer number (37242847).

Almost surely, 2^74485693 is an apocalyptic number.

It is an amenable number.

74485693 is a deficient number, since it is larger than the sum of its proper divisors (1).

74485693 is an equidigital number, since it uses as much as digits as its factorization.

74485693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 74485693 is about 8630.5094287649. The cubic root of 74485693 is about 420.7501578411.

The spelling of 74485693 in words is "seventy-four million, four hundred eighty-five thousand, six hundred ninety-three".