74093791 has 2 divisors, whose sum is σ = 74093792. Its totient is φ = 74093790.

The previous prime is 74093783. The next prime is 74093801. The reversal of 74093791 is 19739047.

It is a weak prime.

It is an emirp because it is prime and its reverse (19739047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74093791 - 2³ = 74093783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74090791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37046895 + 37046896.

It is an arithmetic number, because the mean of its divisors is an integer number (37046896).

Almost surely, 2^74093791 is an apocalyptic number.

74093791 is a deficient number, since it is larger than the sum of its proper divisors (1).

74093791 is an equidigital number, since it uses as much as digits as its factorization.

74093791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 74093791 is about 8607.7750319116. The cubic root of 74093791 is about 420.0109426476.

The spelling of 74093791 in words is "seventy-four million, ninety-three thousand, seven hundred ninety-one".