74349253 has 16 divisors (see below), whose sum is σ = 85524480. Its totient is φ = 64004400.

The previous prime is 74349251. The next prime is 74349257. The reversal of 74349253 is 35294347.

It is a cyclic number.

It is not a de Polignac number, because 74349253 - 2¹ = 74349251 is a prime.

It is a super-2 number, since 2×74349253² = 11055622843316018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74349251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13708 + ... + 18346.

It is an arithmetic number, because the mean of its divisors is an integer number (5345280).

Almost surely, 2^74349253 is an apocalyptic number.

It is an amenable number.

74349253 is a deficient number, since it is larger than the sum of its proper divisors (11175227).

74349253 is a wasteful number, since it uses less digits than its factorization.

74349253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728.

The product of its digits is 90720, while the sum is 37.

The square root of 74349253 is about 8622.6012896341. The cubic root of 74349253 is about 420.4930962185.

The spelling of 74349253 in words is "seventy-four million, three hundred forty-nine thousand, two hundred fifty-three".