26926642 has 4 divisors (see below), whose sum is σ = 40389966. Its totient is φ = 13463320.

The previous prime is 26926633. The next prime is 26926649. The reversal of 26926642 is 24662962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24662962 = 2 ⋅12331481.

It can be written as a sum of positive squares in only one way, i.e., 25391521 + 1535121 = 5039^2 + 1239^2 .

It is not an unprimeable number, because it can be changed into a prime (26926649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6731659 + ... + 6731662.

Almost surely, 2^26926642 is an apocalyptic number.

26926642 is a deficient number, since it is larger than the sum of its proper divisors (13463324).

26926642 is a wasteful number, since it uses less digits than its factorization.

26926642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463323.

The product of its digits is 62208, while the sum is 37.

The square root of 26926642 is about 5189.0887446641. The cubic root of 26926642 is about 299.7280572687.

It can be divided in two parts, 2 and 6926642, that multiplied together give a square (13853284 = 3722²).

The spelling of 26926642 in words is "twenty-six million, nine hundred twenty-six thousand, six hundred forty-two".