73626644 has 48 divisors (see below), whose sum is σ = 160556928. Its totient is φ = 28764288.

The previous prime is 73626629. The next prime is 73626661. The reversal of 73626644 is 44662637.

It is a junction number, because it is equal to n+sod(n) for n = 73626598 and 73626607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28994 + ... + 31430.

It is an arithmetic number, because the mean of its divisors is an integer number (3344936).

Almost surely, 2^73626644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73626644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80278464).

73626644 is an abundant number, since it is smaller than the sum of its proper divisors (86930284).

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

73626644 is a wasteful number, since it uses less digits than its factorization.

73626644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2542 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 73626644 is about 8580.5969489308. The cubic root of 73626644 is about 419.1263851684.

The spelling of 73626644 in words is "seventy-three million, six hundred twenty-six thousand, six hundred forty-four".