74203253 has 2 divisors, whose sum is σ = 74203254. Its totient is φ = 74203252.

The previous prime is 74203229. The next prime is 74203279. The reversal of 74203253 is 35230247.

It is an a-pointer prime, because the next prime (74203279) can be obtained adding 74203253 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73994404 + 208849 = 8602^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 74203253 - 2¹⁴ = 74186869 is a prime.

It is a super-2 number, since 2×74203253² = 11012245511564018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74209253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37101626 + 37101627.

It is an arithmetic number, because the mean of its divisors is an integer number (37101627).

Almost surely, 2^74203253 is an apocalyptic number.

It is an amenable number.

74203253 is a deficient number, since it is larger than the sum of its proper divisors (1).

74203253 is an equidigital number, since it uses as much as digits as its factorization.

74203253 is an odious number, because the sum of its binary digits is odd.

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

The square root of 74203253 is about 8614.1310066657. The cubic root of 74203253 is about 420.2176743919.

The spelling of 74203253 in words is "seventy-four million, two hundred three thousand, two hundred fifty-three".