74315255 has 32 divisors (see below), whose sum is σ = 106237440. Its totient is φ = 48827520.

The previous prime is 74315243. The next prime is 74315257. The reversal of 74315255 is 55251347.

It is not a de Polignac number, because 74315255 - 2²⁶ = 7206391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74315257) 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 31 ways as a sum of consecutive naturals, for example, 213992 + ... + 214338.

It is an arithmetic number, because the mean of its divisors is an integer number (3319920).

Almost surely, 2^74315255 is an apocalyptic number.

74315255 is a deficient number, since it is larger than the sum of its proper divisors (31922185).

74315255 is a wasteful number, since it uses less digits than its factorization.

74315255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 21000, while the sum is 32.

The square root of 74315255 is about 8620.6296173771. The cubic root of 74315255 is about 420.4289928894.

The spelling of 74315255 in words is "seventy-four million, three hundred fifteen thousand, two hundred fifty-five".