74190481 has 2 divisors, whose sum is σ = 74190482. Its totient is φ = 74190480.

The previous prime is 74190419. The next prime is 74190491. The reversal of 74190481 is 18409147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 24910081 = 7020^2 + 4991^2 .

It is a cyclic number.

It is not a de Polignac number, because 74190481 - 2²⁵ = 40636049 is a prime.

It is a super-2 number, since 2×74190481² = 11008454942022722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74190491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37095240 + 37095241.

It is an arithmetic number, because the mean of its divisors is an integer number (37095241).

Almost surely, 2^74190481 is an apocalyptic number.

It is an amenable number.

74190481 is a deficient number, since it is larger than the sum of its proper divisors (1).

74190481 is an equidigital number, since it uses as much as digits as its factorization.

74190481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 74190481 is about 8613.3896347489. The cubic root of 74190481 is about 420.1935634629.

The spelling of 74190481 in words is "seventy-four million, one hundred ninety thousand, four hundred eighty-one".