73423500 has 96 divisors (see below), whose sum is σ = 220846080. Its totient is φ = 18936000.

The previous prime is 73423499. The next prime is 73423517. The reversal of 73423500 is 532437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45711 + ... + 47289.

It is an arithmetic number, because the mean of its divisors is an integer number (2300480).

Almost surely, 2^73423500 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 73423500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110423040).

73423500 is an abundant number, since it is smaller than the sum of its proper divisors (147422580).

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

73423500 is a wasteful number, since it uses less digits than its factorization.

73423500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 73423500 is about 8568.7513676148. The cubic root of 73423500 is about 418.7405581891.

Adding to 73423500 its reverse (532437), we get a palindrome (73955937).

The spelling of 73423500 in words is "seventy-three million, four hundred twenty-three thousand, five hundred".