73445022 has 96 divisors (see below), whose sum is σ = 194775840. Its totient is φ = 20442240.

The previous prime is 73445017. The next prime is 73445059. The reversal of 73445022 is 22054437.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 108148 + ... + 108824.

It is an arithmetic number, because the mean of its divisors is an integer number (2028915).

Almost surely, 2^73445022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73445022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97387920).

73445022 is an abundant number, since it is smaller than the sum of its proper divisors (121330818).

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

73445022 is a wasteful number, since it uses less digits than its factorization.

73445022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 73445022 is about 8570.0071178500. The cubic root of 73445022 is about 418.7814681334.

Adding to 73445022 its reverse (22054437), we get a palindrome (95499459).

The spelling of 73445022 in words is "seventy-three million, four hundred forty-five thousand, twenty-two".