74275993 has 16 divisors (see below), whose sum is σ = 85090176. Its totient is φ = 64176640.

The previous prime is 74275991. The next prime is 74276017. The reversal of 74275993 is 39957247.

It is not a de Polignac number, because 74275993 - 2¹ = 74275991 is a prime.

It is a super-2 number, since 2×74275993² = 11033846272272098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74275991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42921 + ... + 44617.

It is an arithmetic number, because the mean of its divisors is an integer number (5318136).

Almost surely, 2^74275993 is an apocalyptic number.

It is an amenable number.

74275993 is a deficient number, since it is larger than the sum of its proper divisors (10814183).

74275993 is a wasteful number, since it uses less digits than its factorization.

74275993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its digits is 476280, while the sum is 46.

The square root of 74275993 is about 8618.3521046659. The cubic root of 74275993 is about 420.3549399424.

The spelling of 74275993 in words is "seventy-four million, two hundred seventy-five thousand, nine hundred ninety-three".