27723916 has 24 divisors (see below), whose sum is σ = 53061120. Its totient is φ = 12570000.

The previous prime is 27723893. The next prime is 27723919. The reversal of 27723916 is 61932772.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27723919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32625 + ... + 33463.

It is an arithmetic number, because the mean of its divisors is an integer number (2210880).

Almost surely, 2^27723916 is an apocalyptic number.

It is an amenable number.

27723916 is a deficient number, since it is larger than the sum of its proper divisors (25337204).

27723916 is a wasteful number, since it uses less digits than its factorization.

27723916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1603 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 27723916 is about 5265.3505106498. The cubic root of 27723916 is about 302.6575587919.

Subtracting 27723916 from its reverse (61932772), we obtain a triangular number (34208856 = T₈₂₇₁).

The spelling of 27723916 in words is "twenty-seven million, seven hundred twenty-three thousand, nine hundred sixteen".