74130993 has 24 divisors (see below), whose sum is σ = 111121920. Its totient is φ = 47586240.

The previous prime is 74130977. The next prime is 74130997. The reversal of 74130993 is 39903147.

It is not a de Polignac number, because 74130993 - 2⁴ = 74130977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74130997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27880 + ... + 30422.

It is an arithmetic number, because the mean of its divisors is an integer number (4630080).

Almost surely, 2^74130993 is an apocalyptic number.

It is an amenable number.

74130993 is a deficient number, since it is larger than the sum of its proper divisors (36990927).

74130993 is a wasteful number, since it uses less digits than its factorization.

74130993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 74130993 is about 8609.9357140457. The cubic root of 74130993 is about 420.0812257869.

The spelling of 74130993 in words is "seventy-four million, one hundred thirty thousand, nine hundred ninety-three".