74005253 has 4 divisors (see below), whose sum is σ = 84577440. Its totient is φ = 63433068.

The previous prime is 74005241. The next prime is 74005273. The reversal of 74005253 is 35250047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74005253 - 2²⁰ = 72956677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74005273) 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, 5286083 + ... + 5286096.

It is an arithmetic number, because the mean of its divisors is an integer number (21144360).

Almost surely, 2^74005253 is an apocalyptic number.

It is an amenable number.

74005253 is a deficient number, since it is larger than the sum of its proper divisors (10572187).

74005253 is a wasteful number, since it uses less digits than its factorization.

74005253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572186.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 74005253 is about 8602.6305860475. The cubic root of 74005253 is about 419.8435793176.

The spelling of 74005253 in words is "seventy-four million, five thousand, two hundred fifty-three".