74302253 has 8 divisors (see below), whose sum is σ = 77935872. Its totient is φ = 70754256.

The previous prime is 74302219. The next prime is 74302303. The reversal of 74302253 is 35220347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74302253 - 2²⁴ = 57525037 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 (74302153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19625 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (9741984).

Almost surely, 2^74302253 is an apocalyptic number.

It is an amenable number.

74302253 is a deficient number, since it is larger than the sum of its proper divisors (3633619).

74302253 is a wasteful number, since it uses less digits than its factorization.

74302253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42811.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 74302253 is about 8619.8754631375. The cubic root of 74302253 is about 420.4044724120.

The spelling of 74302253 in words is "seventy-four million, three hundred two thousand, two hundred fifty-three".