73734091 has 2 divisors, whose sum is σ = 73734092. Its totient is φ = 73734090.

The previous prime is 73734053. The next prime is 73734131. The reversal of 73734091 is 19043737.

It is a weak prime.

It is an emirp because it is prime and its reverse (19043737) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73734091 is a prime.

It is not a weakly prime, because it can be changed into another prime (73734691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36867045 + 36867046.

It is an arithmetic number, because the mean of its divisors is an integer number (36867046).

Almost surely, 2^73734091 is an apocalyptic number.

73734091 is a deficient number, since it is larger than the sum of its proper divisors (1).

73734091 is an equidigital number, since it uses as much as digits as its factorization.

73734091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 73734091 is about 8586.8557109107. The cubic root of 73734091 is about 419.3301700181.

The spelling of 73734091 in words is "seventy-three million, seven hundred thirty-four thousand, ninety-one".