26997270 has 64 divisors (see below), whose sum is σ = 67931136. Its totient is φ = 6859520.

The previous prime is 26997259. The next prime is 26997281. The reversal of 26997270 is 7279962.

It is an interprime number because it is at equal distance from previous prime (26997259) and next prime (26997281).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57577 + ... + 58043.

It is an arithmetic number, because the mean of its divisors is an integer number (1061424).

Almost surely, 2^26997270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26997270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33965568).

26997270 is an abundant number, since it is smaller than the sum of its proper divisors (40933866).

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

26997270 is a wasteful number, since it uses less digits than its factorization.

26997270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 26997270 is about 5195.8897216935. The cubic root of 26997270 is about 299.9898885481.

The spelling of 26997270 in words is "twenty-six million, nine hundred ninety-seven thousand, two hundred seventy".