74551317 has 4 divisors (see below), whose sum is σ = 99401760. Its totient is φ = 49700876.

The previous prime is 74551291. The next prime is 74551319. The reversal of 74551317 is 71315547.

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 74551317 - 2¹¹ = 74549269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74551319) 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, 12425217 + ... + 12425222.

It is an arithmetic number, because the mean of its divisors is an integer number (24850440).

Almost surely, 2^74551317 is an apocalyptic number.

It is an amenable number.

74551317 is a deficient number, since it is larger than the sum of its proper divisors (24850443).

74551317 is a wasteful number, since it uses less digits than its factorization.

74551317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850442.

The product of its digits is 14700, while the sum is 33.

The square root of 74551317 is about 8634.3104530704. The cubic root of 74551317 is about 420.8736858299.

The spelling of 74551317 in words is "seventy-four million, five hundred fifty-one thousand, three hundred seventeen".