73144446 has 16 divisors (see below), whose sum is σ = 146947584. Its totient is φ = 24271704.

The previous prime is 73144427. The next prime is 73144447. The reversal of 73144446 is 64444137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73144447) 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, 25996 + ... + 28671.

It is an arithmetic number, because the mean of its divisors is an integer number (9184224).

Almost surely, 2^73144446 is an apocalyptic number.

73144446 is an abundant number, since it is smaller than the sum of its proper divisors (73803138).

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

73144446 is a wasteful number, since it uses less digits than its factorization.

73144446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54895.

The product of its digits is 32256, while the sum is 33.

The square root of 73144446 is about 8552.4526306785. The cubic root of 73144446 is about 418.2093950222.

The spelling of 73144446 in words is "seventy-three million, one hundred forty-four thousand, four hundred forty-six".