26291070 has 96 divisors (see below), whose sum is σ = 76894272. Its totient is φ = 6183936.

The previous prime is 26291051. The next prime is 26291071. The reversal of 26291070 is 7019262.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26291071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26422 + ... + 27398.

It is an arithmetic number, because the mean of its divisors is an integer number (800982).

Almost surely, 2^26291070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26291070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38447136).

26291070 is an abundant number, since it is smaller than the sum of its proper divisors (50603202).

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

26291070 is a wasteful number, since it uses less digits than its factorization.

26291070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 26291070 is about 5127.4818380956. The cubic root of 26291070 is about 297.3510117159.

The spelling of 26291070 in words is "twenty-six million, two hundred ninety-one thousand, seventy".