74274679 has 2 divisors, whose sum is σ = 74274680. Its totient is φ = 74274678.

The previous prime is 74274643. The next prime is 74274689. The reversal of 74274679 is 97647247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74274679 - 2¹¹ = 74272631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74274689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37137339 + 37137340.

It is an arithmetic number, because the mean of its divisors is an integer number (37137340).

Almost surely, 2^74274679 is an apocalyptic number.

74274679 is a deficient number, since it is larger than the sum of its proper divisors (1).

74274679 is an equidigital number, since it uses as much as digits as its factorization.

74274679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 46.

The square root of 74274679 is about 8618.2758716579. The cubic root of 74274679 is about 420.3524611260.

The spelling of 74274679 in words is "seventy-four million, two hundred seventy-four thousand, six hundred seventy-nine".