73449999 has 12 divisors (see below), whose sum is σ = 121250896. Its totient is φ = 41971392.

The previous prime is 73449989. The next prime is 73450001. The reversal of 73449999 is 99994437.

It is not a de Polignac number, because 73449999 - 2⁸ = 73449743 is a prime.

It is a Duffinian number.

73449999 is a modest number, since divided by 9999 gives 7344 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73449989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582874 + ... + 582999.

Almost surely, 2^73449999 is an apocalyptic number.

73449999 is a deficient number, since it is larger than the sum of its proper divisors (47800897).

73449999 is a wasteful number, since it uses less digits than its factorization.

73449999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165886 (or 1165883 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 73449999 is about 8570.2974860853. The cubic root of 73449999 is about 418.7909274915.

The spelling of 73449999 in words is "seventy-three million, four hundred forty-nine thousand, nine hundred ninety-nine".