26378712 has 48 divisors (see below), whose sum is σ = 72156240. Its totient is φ = 8705088.

The previous prime is 26378711. The next prime is 26378717. The reversal of 26378712 is 21787362.

26378712 is a `hidden beast` number, since 2 + 637 + 8 + 7 + 12 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26378711) 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, 5638 + ... + 9194.

It is an arithmetic number, because the mean of its divisors is an integer number (1503255).

Almost surely, 2^26378712 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 26378712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36078120).

26378712 is an abundant number, since it is smaller than the sum of its proper divisors (45777528).

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

26378712 is a wasteful number, since it uses less digits than its factorization.

26378712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672 (or 3665 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 26378712 is about 5136.0210279943. The cubic root of 26378712 is about 297.6810544915.

The spelling of 26378712 in words is "twenty-six million, three hundred seventy-eight thousand, seven hundred twelve".