73455493 has 2 divisors, whose sum is σ = 73455494. Its totient is φ = 73455492.

The previous prime is 73455479. The next prime is 73455533. The reversal of 73455493 is 39455437.

It is a happy number.

It is an a-pointer prime, because the next prime (73455533) can be obtained adding 73455493 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55621764 + 17833729 = 7458^2 + 4223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73455493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73455293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36727746 + 36727747.

It is an arithmetic number, because the mean of its divisors is an integer number (36727747).

Almost surely, 2^73455493 is an apocalyptic number.

It is an amenable number.

73455493 is a deficient number, since it is larger than the sum of its proper divisors (1).

73455493 is an equidigital number, since it uses as much as digits as its factorization.

73455493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

The square root of 73455493 is about 8570.6180057216. The cubic root of 73455493 is about 418.8013689711.

The spelling of 73455493 in words is "seventy-three million, four hundred fifty-five thousand, four hundred ninety-three".