73744091 has 2 divisors, whose sum is σ = 73744092. Its totient is φ = 73744090.

The previous prime is 73744063. The next prime is 73744103. The reversal of 73744091 is 19044737.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73744091 is a prime.

It is not a weakly prime, because it can be changed into another prime (73744001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36872045 + 36872046.

It is an arithmetic number, because the mean of its divisors is an integer number (36872046).

Almost surely, 2^73744091 is an apocalyptic number.

73744091 is a deficient number, since it is larger than the sum of its proper divisors (1).

73744091 is an equidigital number, since it uses as much as digits as its factorization.

73744091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 73744091 is about 8587.4379764864. The cubic root of 73744091 is about 419.3491260265.

The spelling of 73744091 in words is "seventy-three million, seven hundred forty-four thousand, ninety-one".