72701120 has 28 divisors (see below), whose sum is σ = 173120304. Its totient is φ = 29080320.

The previous prime is 72701119. The next prime is 72701141. The reversal of 72701120 is 2110727.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 72701092 and 72701101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113276 + ... + 113915.

It is an arithmetic number, because the mean of its divisors is an integer number (6182868).

Almost surely, 2^72701120 is an apocalyptic number.

It is an amenable number.

72701120 is an abundant number, since it is smaller than the sum of its proper divisors (100419184).

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

72701120 is a wasteful number, since it uses less digits than its factorization.

72701120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227208 (or 227198 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 72701120 is about 8526.4951768004. The cubic root of 72701120 is about 417.3627646046.

Adding to 72701120 its reverse (2110727), we get a palindrome (74811847).

The spelling of 72701120 in words is "seventy-two million, seven hundred one thousand, one hundred twenty".