27796770 has 128 divisors (see below), whose sum is σ = 79349760. Its totient is φ = 6998400.

The previous prime is 27796723. The next prime is 27796777. The reversal of 27796770 is 7769772.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27796777) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677950 + ... + 677990.

It is an arithmetic number, because the mean of its divisors is an integer number (619920).

Almost surely, 2^27796770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27796770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39674880).

27796770 is an abundant number, since it is smaller than the sum of its proper divisors (51552990).

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

27796770 is an equidigital number, since it uses as much as digits as its factorization.

27796770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 27796770 is about 5272.2642194791. The cubic root of 27796770 is about 302.9224387302.

The spelling of 27796770 in words is "twenty-seven million, seven hundred ninety-six thousand, seven hundred seventy".