74458971 has 12 divisors (see below), whose sum is σ = 107747640. Its totient is φ = 49548960.

The previous prime is 74458961. The next prime is 74458973. The reversal of 74458971 is 17985447.

It is a happy number.

It is not a de Polignac number, because 74458971 - 2⁵ = 74458939 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74458973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (8978970).

Almost surely, 2^74458971 is an apocalyptic number.

74458971 is a deficient number, since it is larger than the sum of its proper divisors (33288669).

74458971 is a wasteful number, since it uses less digits than its factorization.

74458971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066 (or 15063 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 74458971 is about 8628.9611773376. The cubic root of 74458971 is about 420.6998366315.

The spelling of 74458971 in words is "seventy-four million, four hundred fifty-eight thousand, nine hundred seventy-one".