26286742 has 16 divisors (see below), whose sum is σ = 40273920. Its totient is φ = 12864168.

The previous prime is 26286739. The next prime is 26286749. The reversal of 26286742 is 24768262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26286749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43003 + ... + 43609.

It is an arithmetic number, because the mean of its divisors is an integer number (2517120).

Almost surely, 2^26286742 is an apocalyptic number.

26286742 is a deficient number, since it is larger than the sum of its proper divisors (13987178).

26286742 is a wasteful number, since it uses less digits than its factorization.

26286742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its digits is 64512, while the sum is 37.

The square root of 26286742 is about 5127.0597812001. The cubic root of 26286742 is about 297.3346943148.

It can be divided in two parts, 26286 and 742, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 26286742 in words is "twenty-six million, two hundred eighty-six thousand, seven hundred forty-two".