74635393 has 4 divisors (see below), whose sum is σ = 85297600. Its totient is φ = 63973188.

The previous prime is 74635381. The next prime is 74635399. The reversal of 74635393 is 39353647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74635393 - 2⁵ = 74635361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74635399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5331093 + ... + 5331106.

It is an arithmetic number, because the mean of its divisors is an integer number (21324400).

Almost surely, 2^74635393 is an apocalyptic number.

It is an amenable number.

74635393 is a deficient number, since it is larger than the sum of its proper divisors (10662207).

74635393 is a wasteful number, since it uses less digits than its factorization.

74635393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662206.

The product of its digits is 204120, while the sum is 40.

The square root of 74635393 is about 8639.1777965267. The cubic root of 74635393 is about 421.0318412396.

The spelling of 74635393 in words is "seventy-four million, six hundred thirty-five thousand, three hundred ninety-three".