73115700 has 144 divisors (see below), whose sum is σ = 248567424. Its totient is φ = 16243200.

The previous prime is 73115687. The next prime is 73115717. The reversal of 73115700 is 751137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77230 + ... + 78170.

Almost surely, 2^73115700 is an apocalyptic number.

73115700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73115700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124283712).

73115700 is an abundant number, since it is smaller than the sum of its proper divisors (175451724).

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

73115700 is a wasteful number, since it uses less digits than its factorization.

73115700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 73115700 is about 8550.7718949812. The cubic root of 73115700 is about 418.1546019694.

Adding to 73115700 its reverse (751137), we get a palindrome (73866837).

The spelling of 73115700 in words is "seventy-three million, one hundred fifteen thousand, seven hundred".