26706990 has 32 divisors (see below), whose sum is σ = 65663136. Its totient is φ = 6947840.

The previous prime is 26706947. The next prime is 26706991. The reversal of 26706990 is 9960762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26706991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9627 + ... + 12086.

It is an arithmetic number, because the mean of its divisors is an integer number (2051973).

Almost surely, 2^26706990 is an apocalyptic number.

26706990 is an abundant number, since it is smaller than the sum of its proper divisors (38956146).

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

26706990 is a wasteful number, since it uses less digits than its factorization.

26706990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21764.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 26706990 is about 5167.8806100760. The cubic root of 26706990 is about 298.9108282462.

The spelling of 26706990 in words is "twenty-six million, seven hundred six thousand, nine hundred ninety".