73070700 has 72 divisors (see below), whose sum is σ = 212309328. Its totient is φ = 19403520.

The previous prime is 73070687. The next prime is 73070761. The reversal of 73070700 is 707037.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111574 + ... + 112226.

Almost surely, 2^73070700 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 73070700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106154664).

73070700 is an abundant number, since it is smaller than the sum of its proper divisors (139238628).

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

73070700 is a wasteful number, since it uses less digits than its factorization.

73070700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 1029, while the sum is 24.

The square root of 73070700 is about 8548.1401485937. The cubic root of 73070700 is about 418.0687981507.

Adding to 73070700 its reverse (707037), we get a palindrome (73777737).

The spelling of 73070700 in words is "seventy-three million, seventy thousand, seven hundred".