27723001272 has 16 divisors (see below), whose sum is σ = 69307503240. Its totient is φ = 9241000416.

The previous prime is 27723001259. The next prime is 27723001279. The reversal of 27723001272 is 27210032772.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27723001279) 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, 577562503 + ... + 577562550.

Almost surely, 2^27723001272 is an apocalyptic number.

It is an amenable number.

27723001272 is an abundant number, since it is smaller than the sum of its proper divisors (41584501968).

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

27723001272 is a wasteful number, since it uses less digits than its factorization.

27723001272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155125062 (or 1155125058 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The spelling of 27723001272 in words is "twenty-seven billion, seven hundred twenty-three million, one thousand, two hundred seventy-two".