72080860 has 12 divisors (see below), whose sum is σ = 151369848. Its totient is φ = 28832336.

The previous prime is 72080849. The next prime is 72080861. The reversal of 72080860 is 6808027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72080861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802002 + ... + 1802041.

It is an arithmetic number, because the mean of its divisors is an integer number (12614154).

Almost surely, 2^72080860 is an apocalyptic number.

It is an amenable number.

72080860 is an abundant number, since it is smaller than the sum of its proper divisors (79288988).

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

72080860 is a wasteful number, since it uses less digits than its factorization.

72080860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604052 (or 3604050 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 72080860 is about 8490.0447584215. The cubic root of 72080860 is about 416.1724429927.

Adding to 72080860 its reverse (6808027), we get a palindrome (78888887).

The spelling of 72080860 in words is "seventy-two million, eighty thousand, eight hundred sixty".