74364491 has 2 divisors, whose sum is σ = 74364492. Its totient is φ = 74364490.

The previous prime is 74364467. The next prime is 74364547. The reversal of 74364491 is 19446347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74364491 - 2⁶ = 74364427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74364421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37182245 + 37182246.

It is an arithmetic number, because the mean of its divisors is an integer number (37182246).

Almost surely, 2^74364491 is an apocalyptic number.

74364491 is a deficient number, since it is larger than the sum of its proper divisors (1).

74364491 is an equidigital number, since it uses as much as digits as its factorization.

74364491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 74364491 is about 8623.4848524248. The cubic root of 74364491 is about 420.5218211702.

The spelling of 74364491 in words is "seventy-four million, three hundred sixty-four thousand, four hundred ninety-one".