74475091 has 2 divisors, whose sum is σ = 74475092. Its totient is φ = 74475090.

The previous prime is 74475067. The next prime is 74475101. The reversal of 74475091 is 19057447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74475091 - 2⁵ = 74475059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74475091.

It is not a weakly prime, because it can be changed into another prime (74475001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37237545 + 37237546.

It is an arithmetic number, because the mean of its divisors is an integer number (37237546).

Almost surely, 2^74475091 is an apocalyptic number.

74475091 is a deficient number, since it is larger than the sum of its proper divisors (1).

74475091 is an equidigital number, since it uses as much as digits as its factorization.

74475091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 74475091 is about 8629.8951905571. The cubic root of 74475091 is about 420.7301942541.

The spelling of 74475091 in words is "seventy-four million, four hundred seventy-five thousand, ninety-one".