74889245 has 8 divisors (see below), whose sum is σ = 89942784. Its totient is φ = 59860944.

The previous prime is 74889239. The next prime is 74889251. The reversal of 74889245 is 54298847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74889239) and next prime (74889251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74889245 - 2⁶ = 74889181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74889245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (11242848).

Almost surely, 2^74889245 is an apocalyptic number.

It is an amenable number.

74889245 is a deficient number, since it is larger than the sum of its proper divisors (15053539).

74889245 is a wasteful number, since it uses less digits than its factorization.

74889245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12619.

The product of its digits is 645120, while the sum is 47.

The square root of 74889245 is about 8653.8572324715. The cubic root of 74889245 is about 421.5086428613.

The spelling of 74889245 in words is "seventy-four million, eight hundred eighty-nine thousand, two hundred forty-five".