74317245 has 16 divisors (see below), whose sum is σ = 119066112. Its totient is φ = 39583040.

The previous prime is 74317219. The next prime is 74317247. The reversal of 74317245 is 54271347.

It is not a de Polignac number, because 74317245 - 2¹⁵ = 74284477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74317247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10075 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (7441632).

Almost surely, 2^74317245 is an apocalyptic number.

It is an amenable number.

74317245 is a deficient number, since it is larger than the sum of its proper divisors (44748867).

74317245 is a wasteful number, since it uses less digits than its factorization.

74317245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its digits is 23520, while the sum is 33.

The square root of 74317245 is about 8620.7450374083. The cubic root of 74317245 is about 420.4327455789.

The spelling of 74317245 in words is "seventy-four million, three hundred seventeen thousand, two hundred forty-five".