74934993 has 32 divisors (see below), whose sum is σ = 121369600. Its totient is φ = 40170816.

The previous prime is 74934971. The next prime is 74935009. The reversal of 74934993 is 39943947.

It is not a de Polignac number, because 74934993 - 2⁵ = 74934961 is a prime.

It is a super-3 number, since 3×74934993³ (a number of 25 digits) contains 333 as substring.

It is the 8657-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74934193) by changing a digit.

It is a nontrivial repunit in base 8656.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42630 + ... + 44352.

It is an arithmetic number, because the mean of its divisors is an integer number (3792800).

Almost surely, 2^74934993 is an apocalyptic number.

It is an amenable number.

74934993 is a deficient number, since it is larger than the sum of its proper divisors (46434607).

74934993 is a wasteful number, since it uses less digits than its factorization.

74934993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its digits is 734832, while the sum is 48.

The square root of 74934993 is about 8656.5000433200. The cubic root of 74934993 is about 421.5944551484.

The spelling of 74934993 in words is "seventy-four million, nine hundred thirty-four thousand, nine hundred ninety-three".