73422450 has 72 divisors (see below), whose sum is σ = 204601488. Its totient is φ = 19576080.

The previous prime is 73422421. The next prime is 73422493. The reversal of 73422450 is 5422437.

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

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 35 ways as a sum of consecutive naturals, for example, 9129 + ... + 15171.

Almost surely, 2^73422450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73422450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102300744).

73422450 is an abundant number, since it is smaller than the sum of its proper divisors (131179038).

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

73422450 is a wasteful number, since it uses less digits than its factorization.

73422450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070 (or 6053 counting only the distinct ones).

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

The square root of 73422450 is about 8568.6900982589. The cubic root of 73422450 is about 418.7385620994.

Adding to 73422450 its reverse (5422437), we get a palindrome (78844887).

The spelling of 73422450 in words is "seventy-three million, four hundred twenty-two thousand, four hundred fifty".