74017253 has 4 divisors (see below), whose sum is σ = 74163180. Its totient is φ = 73871328.

The previous prime is 74017249. The next prime is 74017261. The reversal of 74017253 is 35271047.

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 68923204 + 5094049 = 8302^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 74017253 - 2² = 74017249 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 (74017283) 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, 72200 + ... + 73217.

It is an arithmetic number, because the mean of its divisors is an integer number (18540795).

Almost surely, 2^74017253 is an apocalyptic number.

It is an amenable number.

74017253 is a deficient number, since it is larger than the sum of its proper divisors (145927).

74017253 is a wasteful number, since it uses less digits than its factorization.

74017253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145926.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 74017253 is about 8603.3280188541. The cubic root of 74017253 is about 419.8662707278.

The spelling of 74017253 in words is "seventy-four million, seventeen thousand, two hundred fifty-three".