73144146 has 8 divisors (see below), whose sum is σ = 146288304. Its totient is φ = 24381380.

The previous prime is 73144139. The next prime is 73144151. The reversal of 73144146 is 64144137.

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

73144146 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6095340 + ... + 6095351.

It is an arithmetic number, because the mean of its divisors is an integer number (18286038).

Almost surely, 2^73144146 is an apocalyptic number.

73144146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73144146 is a wasteful number, since it uses less digits than its factorization.

73144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190696.

The product of its digits is 8064, while the sum is 30.

The square root of 73144146 is about 8552.4350918320. The cubic root of 73144146 is about 418.2088232632.

Subtracting from 73144146 its reverse (64144137), we obtain a palindrome (9000009).

The spelling of 73144146 in words is "seventy-three million, one hundred forty-four thousand, one hundred forty-six".