74548253 has 4 divisors (see below), whose sum is σ = 80282748. Its totient is φ = 68813760.

The previous prime is 74548249. The next prime is 74548277. The reversal of 74548253 is 35284547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35284547 = 2179 ⋅16193.

It can be written as a sum of positive squares in 2 ways, for example, as 20775364 + 53772889 = 4558^2 + 7333^2 .

It is a cyclic number.

It is not a de Polignac number, because 74548253 - 2² = 74548249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74548223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867228 + ... + 2867253.

It is an arithmetic number, because the mean of its divisors is an integer number (20070687).

Almost surely, 2^74548253 is an apocalyptic number.

It is an amenable number.

74548253 is a deficient number, since it is larger than the sum of its proper divisors (5734495).

74548253 is a wasteful number, since it uses less digits than its factorization.

74548253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734494.

The product of its digits is 134400, while the sum is 38.

The square root of 74548253 is about 8634.1330195915. The cubic root of 74548253 is about 420.8679198926.

The spelling of 74548253 in words is "seventy-four million, five hundred forty-eight thousand, two hundred fifty-three".