74934491 has 2 divisors, whose sum is σ = 74934492. Its totient is φ = 74934490.

The previous prime is 74934473. The next prime is 74934539. The reversal of 74934491 is 19443947.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74934491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74934401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37467245 + 37467246.

It is an arithmetic number, because the mean of its divisors is an integer number (37467246).

Almost surely, 2^74934491 is an apocalyptic number.

74934491 is a deficient number, since it is larger than the sum of its proper divisors (1).

74934491 is an equidigital number, since it uses as much as digits as its factorization.

74934491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 74934491 is about 8656.4710477192. The cubic root of 74934491 is about 421.5935137062.

The spelling of 74934491 in words is "seventy-four million, nine hundred thirty-four thousand, four hundred ninety-one".