73489650 has 96 divisors (see below), whose sum is σ = 198320640. Its totient is φ = 18008640.

The previous prime is 73489639. The next prime is 73489651. The reversal of 73489650 is 5698437.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73489651) 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 47 ways as a sum of consecutive naturals, for example, 329439 + ... + 329661.

It is an arithmetic number, because the mean of its divisors is an integer number (2065840).

Almost surely, 2^73489650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73489650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99160320).

73489650 is an abundant number, since it is smaller than the sum of its proper divisors (124830990).

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

73489650 is a wasteful number, since it uses less digits than its factorization.

73489650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 73489650 is about 8572.6104542315. The cubic root of 73489650 is about 418.8662734961.

The spelling of 73489650 in words is "seventy-three million, four hundred eighty-nine thousand, six hundred fifty".