74560253 has 4 divisors (see below), whose sum is σ = 74578908. Its totient is φ = 74541600.

The previous prime is 74560223. The next prime is 74560267. The reversal of 74560253 is 35206547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51308569 + 23251684 = 7163^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 74560253 - 2¹⁴ = 74543869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74560223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (18644727).

Almost surely, 2^74560253 is an apocalyptic number.

It is an amenable number.

74560253 is a deficient number, since it is larger than the sum of its proper divisors (18655).

74560253 is a wasteful number, since it uses less digits than its factorization.

74560253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 74560253 is about 8634.8279079551. The cubic root of 74560253 is about 420.8905009900.

The spelling of 74560253 in words is "seventy-four million, five hundred sixty thousand, two hundred fifty-three".