74164351 has 4 divisors (see below), whose sum is σ = 77388912. Its totient is φ = 70939792.

The previous prime is 74164333. The next prime is 74164361. The reversal of 74164351 is 15346147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15346147 = 31 ⋅495037.

It is a cyclic number.

It is not a de Polignac number, because 74164351 - 2¹⁵ = 74131583 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74164301) 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, 1612246 + ... + 1612291.

It is an arithmetic number, because the mean of its divisors is an integer number (19347228).

Almost surely, 2^74164351 is an apocalyptic number.

74164351 is a deficient number, since it is larger than the sum of its proper divisors (3224561).

74164351 is a wasteful number, since it uses less digits than its factorization.

74164351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224560.

The product of its digits is 10080, while the sum is 31.

The square root of 74164351 is about 8611.8726767179. The cubic root of 74164351 is about 420.1442267334.

The spelling of 74164351 in words is "seventy-four million, one hundred sixty-four thousand, three hundred fifty-one".