74448959 has 4 divisors (see below), whose sum is σ = 80175816. Its totient is φ = 68722104.

The previous prime is 74448947. The next prime is 74448971. The reversal of 74448959 is 95984447.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (74448947) and next prime (74448971).

It is a cyclic number.

It is not a de Polignac number, because 74448959 - 2⁴ = 74448943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74448919) 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, 2863409 + ... + 2863434.

It is an arithmetic number, because the mean of its divisors is an integer number (20043954).

Almost surely, 2^74448959 is an apocalyptic number.

74448959 is a deficient number, since it is larger than the sum of its proper divisors (5726857).

74448959 is a wasteful number, since it uses less digits than its factorization.

74448959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726856.

The product of its digits is 1451520, while the sum is 50.

The square root of 74448959 is about 8628.3810184762. The cubic root of 74448959 is about 420.6809795549.

The spelling of 74448959 in words is "seventy-four million, four hundred forty-eight thousand, nine hundred fifty-nine".