73420844 has 12 divisors (see below), whose sum is σ = 146841744. Its totient is φ = 31466064.

The previous prime is 73420843. The next prime is 73420861. The reversal of 73420844 is 44802437.

73420844 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 73420844.

It is not an unprimeable number, because it can be changed into a prime (73420843) 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, 1311059 + ... + 1311114.

It is an arithmetic number, because the mean of its divisors is an integer number (12236812).

Almost surely, 2^73420844 is an apocalyptic number.

It is an amenable number.

73420844 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.

73420844 is a wasteful number, since it uses less digits than its factorization.

73420844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622184 (or 2622182 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 73420844 is about 8568.5963844728. The cubic root of 73420844 is about 418.7355089958.

The spelling of 73420844 in words is "seventy-three million, four hundred twenty thousand, eight hundred forty-four".