26858772 has 72 divisors (see below), whose sum is σ = 71914752. Its totient is φ = 8438400.

The previous prime is 26858743. The next prime is 26858801. The reversal of 26858772 is 27785862.

26858772 is a `hidden beast` number, since 2 + 68 + 587 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (26858743) and next prime (26858801).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45463 + ... + 46049.

It is an arithmetic number, because the mean of its divisors is an integer number (998816).

Almost surely, 2^26858772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26858772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35957376).

26858772 is an abundant number, since it is smaller than the sum of its proper divisors (45055980).

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

26858772 is a wasteful number, since it uses less digits than its factorization.

26858772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 26858772 is about 5182.5449346822. The cubic root of 26858772 is about 299.4760186781.

The spelling of 26858772 in words is "twenty-six million, eight hundred fifty-eight thousand, seven hundred seventy-two".