73213944 has 16 divisors (see below), whose sum is σ = 183034920. Its totient is φ = 24404640.

The previous prime is 73213937. The next prime is 73213949. The reversal of 73213944 is 44931237.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73213949) 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, 1525267 + ... + 1525314.

Almost surely, 2^73213944 is an apocalyptic number.

It is an amenable number.

73213944 is an abundant number, since it is smaller than the sum of its proper divisors (109820976).

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

73213944 is a wasteful number, since it uses less digits than its factorization.

73213944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050590 (or 3050586 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 73213944 is about 8556.5147110257. The cubic root of 73213944 is about 418.3418066075.

The spelling of 73213944 in words is "seventy-three million, two hundred thirteen thousand, nine hundred forty-four".