74492993 has 8 divisors (see below), whose sum is σ = 75866112. Its totient is φ = 73132416.

The previous prime is 74492983. The next prime is 74493043. The reversal of 74492993 is 39929447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74492993 - 2²⁶ = 7384129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74492933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9296 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (9483264).

Almost surely, 2^74492993 is an apocalyptic number.

It is an amenable number.

74492993 is a deficient number, since it is larger than the sum of its proper divisors (1373119).

74492993 is a wasteful number, since it uses less digits than its factorization.

74492993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271.

The product of its digits is 489888, while the sum is 47.

The square root of 74492993 is about 8630.9323366598. The cubic root of 74492993 is about 420.7639026543.

The spelling of 74492993 in words is "seventy-four million, four hundred ninety-two thousand, nine hundred ninety-three".