26770090 has 16 divisors (see below), whose sum is σ = 48254472. Its totient is φ = 10692864.

The previous prime is 26770067. The next prime is 26770097. The reversal of 26770090 is 9007762.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16916769 + 9853321 = 4113^2 + 3139^2 .

It is not an unprimeable number, because it can be changed into a prime (26770097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7942 + ... + 10798.

Almost surely, 2^26770090 is an apocalyptic number.

26770090 is a deficient number, since it is larger than the sum of its proper divisors (21484382).

26770090 is a wasteful number, since it uses less digits than its factorization.

26770090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 26770090 is about 5173.9820254810. The cubic root of 26770090 is about 299.1460530365.

The spelling of 26770090 in words is "twenty-six million, seven hundred seventy thousand, ninety".