74704253 has 12 divisors (see below), whose sum is σ = 84414240. Its totient is φ = 65956176.

The previous prime is 74704249. The next prime is 74704303. The reversal of 74704253 is 35240747.

It is not a de Polignac number, because 74704253 - 2² = 74704249 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 (74704243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5723 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (7034520).

Almost surely, 2^74704253 is an apocalyptic number.

It is an amenable number.

74704253 is a deficient number, since it is larger than the sum of its proper divisors (9709987).

74704253 is a wasteful number, since it uses less digits than its factorization.

74704253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268 (or 19255 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 74704253 is about 8643.1622106727. The cubic root of 74704253 is about 421.1612853712.

The spelling of 74704253 in words is "seventy-four million, seven hundred four thousand, two hundred fifty-three".