27056890 has 64 divisors (see below), whose sum is σ = 58164480. Its totient is φ = 8870400.

The previous prime is 27056867. The next prime is 27056891. The reversal of 27056890 is 9865072.

27056890 = 308² + 309² + ... + 479².

It is not an unprimeable number, because it can be changed into a prime (27056891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267840 + ... + 267940.

It is an arithmetic number, because the mean of its divisors is an integer number (908820).

Almost surely, 2^27056890 is an apocalyptic number.

27056890 is an abundant number, since it is smaller than the sum of its proper divisors (31107590).

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

27056890 is a wasteful number, since it uses less digits than its factorization.

27056890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 27056890 is about 5201.6237849349. The cubic root of 27056890 is about 300.2105558899.

The spelling of 27056890 in words is "twenty-seven million, fifty-six thousand, eight hundred ninety".