27742716 has 24 divisors (see below), whose sum is σ = 71925840. Its totient is φ = 9247536.

The previous prime is 27742703. The next prime is 27742721. The reversal of 27742716 is 61724772.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128331 + ... + 128546.

It is an arithmetic number, because the mean of its divisors is an integer number (2996910).

Almost surely, 2^27742716 is an apocalyptic number.

It is an amenable number.

27742716 is an abundant number, since it is smaller than the sum of its proper divisors (44183124).

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

27742716 is a wasteful number, since it uses less digits than its factorization.

27742716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256890 (or 256882 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 27742716 is about 5267.1354643677. The cubic root of 27742716 is about 302.7259555321.

The spelling of 27742716 in words is "twenty-seven million, seven hundred forty-two thousand, seven hundred sixteen".