74923513 has 4 divisors (see below), whose sum is σ = 85626880. Its totient is φ = 64220148.

The previous prime is 74923507. The next prime is 74923529. The reversal of 74923513 is 31532947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74923513 - 2¹⁷ = 74792441 is a prime.

It is a super-2 number, since 2×74923513² = 11227065600522338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74923813) 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, 5351673 + ... + 5351686.

It is an arithmetic number, because the mean of its divisors is an integer number (21406720).

Almost surely, 2^74923513 is an apocalyptic number.

It is an amenable number.

74923513 is a deficient number, since it is larger than the sum of its proper divisors (10703367).

74923513 is a wasteful number, since it uses less digits than its factorization.

74923513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703366.

The product of its digits is 22680, while the sum is 34.

The square root of 74923513 is about 8655.8369323827. The cubic root of 74923513 is about 421.5729247021.

The spelling of 74923513 in words is "seventy-four million, nine hundred twenty-three thousand, five hundred thirteen".