73240700 has 72 divisors (see below), whose sum is σ = 174551328. Its totient is φ = 26507520.

The previous prime is 73240691. The next prime is 73240721. The reversal of 73240700 is 704237.

It is a super-3 number, since 3×73240700³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 68369 + ... + 69431.

It is an arithmetic number, because the mean of its divisors is an integer number (2424324).

Almost surely, 2^73240700 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 73240700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87275664).

73240700 is an abundant number, since it is smaller than the sum of its proper divisors (101310628).

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

73240700 is a wasteful number, since it uses less digits than its factorization.

73240700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 73240700 is about 8558.0780552645. The cubic root of 73240700 is about 418.3927613370.

Adding to 73240700 its reverse (704237), we get a palindrome (73944937).

The spelling of 73240700 in words is "seventy-three million, two hundred forty thousand, seven hundred".