74275745 has 8 divisors (see below), whose sum is σ = 91027584. Its totient is φ = 58156144.

The previous prime is 74275739. The next prime is 74275759. The reversal of 74275745 is 54757247.

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 74275745 - 2⁶ = 74275681 is a prime.

It is a Duffinian 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, 157799 + ... + 158268.

It is an arithmetic number, because the mean of its divisors is an integer number (11378448).

Almost surely, 2^74275745 is an apocalyptic number.

It is an amenable number.

74275745 is a deficient number, since it is larger than the sum of its proper divisors (16751839).

74275745 is a wasteful number, since it uses less digits than its factorization.

74275745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316119.

The product of its digits is 274400, while the sum is 41.

The square root of 74275745 is about 8618.3377167526. The cubic root of 74275745 is about 420.3544721010.

The spelling of 74275745 in words is "seventy-four million, two hundred seventy-five thousand, seven hundred forty-five".