73144959 has 4 divisors (see below), whose sum is σ = 97526616. Its totient is φ = 48763304.

The previous prime is 73144937. The next prime is 73144969. The reversal of 73144959 is 95944137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73144959 - 2⁸ = 73144703 is a prime.

It is a super-2 number, since 2×73144959² = 10700370054223362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73144959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73144909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12190824 + ... + 12190829.

It is an arithmetic number, because the mean of its divisors is an integer number (24381654).

Almost surely, 2^73144959 is an apocalyptic number.

73144959 is a deficient number, since it is larger than the sum of its proper divisors (24381657).

73144959 is a wasteful number, since it uses less digits than its factorization.

73144959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24381656.

The product of its digits is 136080, while the sum is 42.

The square root of 73144959 is about 8552.4826220227. The cubic root of 73144959 is about 418.2103727265.

The spelling of 73144959 in words is "seventy-three million, one hundred forty-four thousand, nine hundred fifty-nine".