74052091 has 2 divisors, whose sum is σ = 74052092. Its totient is φ = 74052090.

The previous prime is 74052029. The next prime is 74052127. The reversal of 74052091 is 19025047.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74052091 - 2¹¹ = 74050043 is a prime.

It is not a weakly prime, because it can be changed into another prime (74052001) 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, 37026045 + 37026046.

It is an arithmetic number, because the mean of its divisors is an integer number (37026046).

Almost surely, 2^74052091 is an apocalyptic number.

74052091 is a deficient number, since it is larger than the sum of its proper divisors (1).

74052091 is an equidigital number, since it uses as much as digits as its factorization.

74052091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 74052091 is about 8605.3524622760. The cubic root of 74052091 is about 419.9321337811.

The spelling of 74052091 in words is "seventy-four million, fifty-two thousand, ninety-one".