74318745 has 32 divisors (see below), whose sum is σ = 122458752. Its totient is φ = 38472192.

The previous prime is 74318743. The next prime is 74318779. The reversal of 74318745 is 54781347.

It is not a de Polignac number, because 74318745 - 2¹ = 74318743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74318743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72859 + ... + 73871.

It is an arithmetic number, because the mean of its divisors is an integer number (3826836).

Almost surely, 2^74318745 is an apocalyptic number.

It is an amenable number.

74318745 is a deficient number, since it is larger than the sum of its proper divisors (48140007).

74318745 is a wasteful number, since it uses less digits than its factorization.

74318745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its digits is 94080, while the sum is 39.

The square root of 74318745 is about 8620.8320364104. The cubic root of 74318745 is about 420.4355741950.

The spelling of 74318745 in words is "seventy-four million, three hundred eighteen thousand, seven hundred forty-five".