72806070276 has 27 divisors (see below), whose sum is σ = 184041658983. Its totient is φ = 24268150440.

The previous prime is 72806070229. The next prime is 72806070277. The reversal of 72806070276 is 67207060827.

It is a happy number.

The square root of 72806070276 is 269826.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (72806070277) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1596471 + ... + 1641441.

Almost surely, 2^72806070276 is an apocalyptic number.

72806070276 is the 269826-th square number.

It is an amenable number.

72806070276 is an abundant number, since it is smaller than the sum of its proper divisors (111235588707).

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

72806070276 is an frugal number, since it uses more digits than its factorization.

72806070276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89952 (or 44976 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 72806070276 in words is "seventy-two billion, eight hundred six million, seventy thousand, two hundred seventy-six".