27700801 has 4 divisors (see below), whose sum is σ = 27765504. Its totient is φ = 27636100.

The previous prime is 27700759. The next prime is 27700819. The reversal of 27700801 is 10800772.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27700801 - 2¹⁵ = 27668033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27700891) 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, 31705 + ... + 32566.

It is an arithmetic number, because the mean of its divisors is an integer number (6941376).

Almost surely, 2^27700801 is an apocalyptic number.

It is an amenable number.

27700801 is a deficient number, since it is larger than the sum of its proper divisors (64703).

27700801 is an equidigital number, since it uses as much as digits as its factorization.

27700801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64702.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 27700801 is about 5263.1550423676. The cubic root of 27700801 is about 302.5734211509.

The spelling of 27700801 in words is "twenty-seven million, seven hundred thousand, eight hundred one".