26764542 has 48 divisors (see below), whose sum is σ = 68077152. Its totient is φ = 7439040.

The previous prime is 26764541. The next prime is 26764547. The reversal of 26764542 is 24546762.

26764542 is a `hidden beast` number, since 2 + 6 + 7 + 645 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26764497 and 26764506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26764541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (1418274).

Almost surely, 2^26764542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26764542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34038576).

26764542 is an abundant number, since it is smaller than the sum of its proper divisors (41312610).

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

26764542 is a wasteful number, since it uses less digits than its factorization.

26764542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793 (or 5790 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 26764542 is about 5173.4458535873. The cubic root of 26764542 is about 299.1253859790.

The spelling of 26764542 in words is "twenty-six million, seven hundred sixty-four thousand, five hundred forty-two".