73499999 has 8 divisors (see below), whose sum is σ = 77456880. Its totient is φ = 69552000.

The previous prime is 73499989. The next prime is 73500001. The reversal of 73499999 is 99999437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73499999 - 2⁴ = 73499983 is a prime.

It is a Duffinian number.

73499999 is a modest number, since divided by 9999 gives 7349 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73499989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21209 + ... + 24429.

It is an arithmetic number, because the mean of its divisors is an integer number (9682110).

Almost surely, 2^73499999 is an apocalyptic number.

73499999 is a deficient number, since it is larger than the sum of its proper divisors (3956881).

73499999 is a wasteful number, since it uses less digits than its factorization.

73499999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441.

The product of its digits is 4960116, while the sum is 59.

The square root of 73499999 is about 8573.2140414199. The cubic root of 73499999 is about 418.8859345123.

The spelling of 73499999 in words is "seventy-three million, four hundred ninety-nine thousand, nine hundred ninety-nine".