26770890 has 32 divisors (see below), whose sum is σ = 64478016. Its totient is φ = 7113600.

The previous prime is 26770889. The next prime is 26770963. The reversal of 26770890 is 9807762.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7965 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (2014938).

Almost surely, 2^26770890 is an apocalyptic number.

26770890 is an abundant number, since it is smaller than the sum of its proper divisors (37707126).

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

26770890 is a wasteful number, since it uses less digits than its factorization.

26770890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 26770890 is about 5174.0593347970. The cubic root of 26770890 is about 299.1490329101.

The spelling of 26770890 in words is "twenty-six million, seven hundred seventy thousand, eight hundred ninety".