26766738 has 24 divisors (see below), whose sum is σ = 61406748. Its totient is φ = 8397312.

The previous prime is 26766731. The next prime is 26766743. The reversal of 26766738 is 83766762.

It can be written as a sum of positive squares in 2 ways, for example, as 23068809 + 3697929 = 4803^2 + 1923^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26766693 and 26766702.

It is not an unprimeable number, because it can be changed into a prime (26766731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43431 + ... + 44042.

Almost surely, 2^26766738 is an apocalyptic number.

26766738 is an abundant number, since it is smaller than the sum of its proper divisors (34640010).

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

26766738 is a wasteful number, since it uses less digits than its factorization.

26766738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87498 (or 87495 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 26766738 is about 5173.6580868859. The cubic root of 26766738 is about 299.1335667203.

The spelling of 26766738 in words is "twenty-six million, seven hundred sixty-six thousand, seven hundred thirty-eight".