73473091 has 2 divisors, whose sum is σ = 73473092. Its totient is φ = 73473090.

The previous prime is 73473089. The next prime is 73473137. The reversal of 73473091 is 19037437.

It is a weak prime.

It is an emirp because it is prime and its reverse (19037437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73473091 - 2¹ = 73473089 is a prime.

Together with 73473089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73473991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36736545 + 36736546.

It is an arithmetic number, because the mean of its divisors is an integer number (36736546).

Almost surely, 2^73473091 is an apocalyptic number.

73473091 is a deficient number, since it is larger than the sum of its proper divisors (1).

73473091 is an equidigital number, since it uses as much as digits as its factorization.

73473091 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 73473091 is about 8571.6445913255. The cubic root of 73473091 is about 418.8348108904.

The spelling of 73473091 in words is "seventy-three million, four hundred seventy-three thousand, ninety-one".