74252851 has 2 divisors, whose sum is σ = 74252852. Its totient is φ = 74252850.

The previous prime is 74252837. The next prime is 74252863. The reversal of 74252851 is 15825247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74252851 - 2¹⁹ = 73728563 is a prime.

It is not a weakly prime, because it can be changed into another prime (74252831) 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, 37126425 + 37126426.

It is an arithmetic number, because the mean of its divisors is an integer number (37126426).

Almost surely, 2^74252851 is an apocalyptic number.

74252851 is a deficient number, since it is larger than the sum of its proper divisors (1).

74252851 is an equidigital number, since it uses as much as digits as its factorization.

74252851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 34.

The square root of 74252851 is about 8617.0094000181. The cubic root of 74252851 is about 420.3112790676.

The spelling of 74252851 in words is "seventy-four million, two hundred fifty-two thousand, eight hundred fifty-one".