74126393 has 4 divisors (see below), whose sum is σ = 80865168. Its totient is φ = 67387620.

The previous prime is 74126357. The next prime is 74126399. The reversal of 74126393 is 39362147.

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 74126393 - 2¹⁰ = 74125369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74126399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369371 + ... + 3369392.

It is an arithmetic number, because the mean of its divisors is an integer number (20216292).

Almost surely, 2^74126393 is an apocalyptic number.

It is an amenable number.

74126393 is a deficient number, since it is larger than the sum of its proper divisors (6738775).

74126393 is a wasteful number, since it uses less digits than its factorization.

74126393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738774.

The product of its digits is 27216, while the sum is 35.

The square root of 74126393 is about 8609.6685766643. The cubic root of 74126393 is about 420.0725366025.

The spelling of 74126393 in words is "seventy-four million, one hundred twenty-six thousand, three hundred ninety-three".