73489626 has 64 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 20901888.

The previous prime is 73489621. The next prime is 73489627. The reversal of 73489626 is 62698437.

73489626 is a nontrivial binomial coefficient, being equal to C(12124, 2).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73489621) 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 31 ways as a sum of consecutive naturals, for example, 163450 + ... + 163898.

It is an arithmetic number, because the mean of its divisors is an integer number (2929500).

Almost surely, 2^73489626 is an apocalyptic number.

73489626 is the 12123-rd triangular number and also the 6062-nd hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73489626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93744000).

73489626 is an abundant number, since it is smaller than the sum of its proper divisors (113998374).

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

73489626 is a wasteful number, since it uses less digits than its factorization.

73489626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 73489626 is about 8572.6090544244. The cubic root of 73489626 is about 418.8662278988.

The spelling of 73489626 in words is "seventy-three million, four hundred eighty-nine thousand, six hundred twenty-six".