74783393 has 2 divisors, whose sum is σ = 74783394. Its totient is φ = 74783392.

The previous prime is 74783383. The next prime is 74783399. The reversal of 74783393 is 39338747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 9690769 = 8068^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 74783393 - 2¹⁰ = 74782369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74783399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37391696 + 37391697.

It is an arithmetic number, because the mean of its divisors is an integer number (37391697).

Almost surely, 2^74783393 is an apocalyptic number.

It is an amenable number.

74783393 is a deficient number, since it is larger than the sum of its proper divisors (1).

74783393 is an equidigital number, since it uses as much as digits as its factorization.

74783393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The square root of 74783393 is about 8647.7391843186. The cubic root of 74783393 is about 421.3099558050.

The spelling of 74783393 in words is "seventy-four million, seven hundred eighty-three thousand, three hundred ninety-three".