74917223 has 4 divisors (see below), whose sum is σ = 76659528. Its totient is φ = 73174920.

The previous prime is 74917177. The next prime is 74917229. The reversal of 74917223 is 32271947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32271947 = 1259 ⋅25633.

It is a cyclic number.

It is not a de Polignac number, because 74917223 - 2¹⁶ = 74851687 is a prime.

It is a super-2 number, since 2×74917223² = 11225180604063458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74917229) 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, 871088 + ... + 871173.

It is an arithmetic number, because the mean of its divisors is an integer number (19164882).

Almost surely, 2^74917223 is an apocalyptic number.

74917223 is a deficient number, since it is larger than the sum of its proper divisors (1742305).

74917223 is a wasteful number, since it uses less digits than its factorization.

74917223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742304.

The product of its digits is 21168, while the sum is 35.

The square root of 74917223 is about 8655.4735861188. The cubic root of 74917223 is about 421.5611270354.

The spelling of 74917223 in words is "seventy-four million, nine hundred seventeen thousand, two hundred twenty-three".