74620253 has 2 divisors, whose sum is σ = 74620254. Its totient is φ = 74620252.

The previous prime is 74620229. The next prime is 74620261. The reversal of 74620253 is 35202647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54567769 + 20052484 = 7387^2 + 4478^2 .

It is a cyclic number.

It is not a de Polignac number, because 74620253 - 2⁸ = 74619997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74620223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37310126 + 37310127.

It is an arithmetic number, because the mean of its divisors is an integer number (37310127).

Almost surely, 2^74620253 is an apocalyptic number.

It is an amenable number.

74620253 is a deficient number, since it is larger than the sum of its proper divisors (1).

74620253 is an equidigital number, since it uses as much as digits as its factorization.

74620253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 74620253 is about 8638.3015112926. The cubic root of 74620253 is about 421.0033701488.

The spelling of 74620253 in words is "seventy-four million, six hundred twenty thousand, two hundred fifty-three".