73144999 has 8 divisors (see below), whose sum is σ = 77585040. Its totient is φ = 68720256.

The previous prime is 73144993. The next prime is 73145011. The reversal of 73144999 is 99944137.

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

It is a de Polignac number, because none of the positive numbers 2^k-73144999 is a prime.

It is a super-3 number, since 3×73144999³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73144993) 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, 6912 + ... + 13930.

It is an arithmetic number, because the mean of its divisors is an integer number (9698130).

Almost surely, 2^73144999 is an apocalyptic number.

73144999 is a deficient number, since it is larger than the sum of its proper divisors (4440041).

73144999 is a wasteful number, since it uses less digits than its factorization.

73144999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649.

The product of its digits is 244944, while the sum is 46.

The square root of 73144999 is about 8552.4849605246. The cubic root of 73144999 is about 418.2104489606.

The spelling of 73144999 in words is "seventy-three million, one hundred forty-four thousand, nine hundred ninety-nine".