27716620 has 24 divisors (see below), whose sum is σ = 58426704. Its totient is φ = 11044416.

The previous prime is 27716617. The next prime is 27716641. The reversal of 27716620 is 2661772.

It is a super-2 number, since 2×27716620² = 1536422048448800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 3039 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (2434446).

Almost surely, 2^27716620 is an apocalyptic number.

27716620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27716620 is an abundant number, since it is smaller than the sum of its proper divisors (30710084).

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

27716620 is a wasteful number, since it uses less digits than its factorization.

27716620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27716620 is about 5264.6576336928. The cubic root of 27716620 is about 302.6310067074.

The spelling of 27716620 in words is "twenty-seven million, seven hundred sixteen thousand, six hundred twenty".