74225351 has 2 divisors, whose sum is σ = 74225352. Its totient is φ = 74225350.

The previous prime is 74225341. The next prime is 74225401. The reversal of 74225351 is 15352247.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74225351 - 2¹⁸ = 73963207 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74225341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37112675 + 37112676.

It is an arithmetic number, because the mean of its divisors is an integer number (37112676).

Almost surely, 2^74225351 is an apocalyptic number.

74225351 is a deficient number, since it is larger than the sum of its proper divisors (1).

74225351 is an equidigital number, since it uses as much as digits as its factorization.

74225351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 74225351 is about 8615.4135710365. The cubic root of 74225351 is about 420.2593843716.

Adding to 74225351 its reverse (15352247), we get a palindrome (89577598).

The spelling of 74225351 in words is "seventy-four million, two hundred twenty-five thousand, three hundred fifty-one".