74545263 has 12 divisors (see below), whose sum is σ = 115959480. Its totient is φ = 45873936.

The previous prime is 74545253. The next prime is 74545291. The reversal of 74545263 is 36254547.

It is not a de Polignac number, because 74545263 - 2⁸ = 74545007 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74545213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318453 + ... + 318686.

It is an arithmetic number, because the mean of its divisors is an integer number (9663290).

Almost surely, 2^74545263 is an apocalyptic number.

74545263 is a deficient number, since it is larger than the sum of its proper divisors (41414217).

74545263 is a wasteful number, since it uses less digits than its factorization.

74545263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637158 (or 637155 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 74545263 is about 8633.9598678706. The cubic root of 74545263 is about 420.8622930588.

The spelling of 74545263 in words is "seventy-four million, five hundred forty-five thousand, two hundred sixty-three".