74893013 has 4 divisors (see below), whose sum is σ = 80654028. Its totient is φ = 69132000.

The previous prime is 74893009. The next prime is 74893033. The reversal of 74893013 is 31039847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31039847 = 601 ⋅51647.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 66471409 = 2902^2 + 8153^2 .

It is a cyclic number.

It is not a de Polignac number, because 74893013 - 2² = 74893009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74893033) 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, 2880488 + ... + 2880513.

It is an arithmetic number, because the mean of its divisors is an integer number (20163507).

Almost surely, 2^74893013 is an apocalyptic number.

It is an amenable number.

74893013 is a deficient number, since it is larger than the sum of its proper divisors (5761015).

74893013 is a wasteful number, since it uses less digits than its factorization.

74893013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761014.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 74893013 is about 8654.0749361211. The cubic root of 74893013 is about 421.5157120469.

The spelling of 74893013 in words is "seventy-four million, eight hundred ninety-three thousand, thirteen".