74802253 has 2 divisors, whose sum is σ = 74802254. Its totient is φ = 74802252.

The previous prime is 74802209. The next prime is 74802257. The reversal of 74802253 is 35220847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 27646564 = 6867^2 + 5258^2 .

It is a cyclic number.

It is not a de Polignac number, because 74802253 - 2²⁵ = 41247821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74802257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37401126 + 37401127.

It is an arithmetic number, because the mean of its divisors is an integer number (37401127).

Almost surely, 2^74802253 is an apocalyptic number.

It is an amenable number.

74802253 is a deficient number, since it is larger than the sum of its proper divisors (1).

74802253 is an equidigital number, since it uses as much as digits as its factorization.

74802253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 74802253 is about 8648.8295739944. The cubic root of 74802253 is about 421.3453702537.

The spelling of 74802253 in words is "seventy-four million, eight hundred two thousand, two hundred fifty-three".