26641970 has 8 divisors (see below), whose sum is σ = 47955564. Its totient is φ = 10656784.

The previous prime is 26641963. The next prime is 26641973. The reversal of 26641970 is 7914662.

It can be written as a sum of positive squares in 2 ways, for example, as 25270729 + 1371241 = 5027^2 + 1171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 26641970.

It is not an unprimeable number, because it can be changed into a prime (26641973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332089 + ... + 1332108.

Almost surely, 2^26641970 is an apocalyptic number.

26641970 is a deficient number, since it is larger than the sum of its proper divisors (21313594).

26641970 is a wasteful number, since it uses less digits than its factorization.

26641970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664204.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 26641970 is about 5161.5859965712. The cubic root of 26641970 is about 298.6680581510.

The spelling of 26641970 in words is "twenty-six million, six hundred forty-one thousand, nine hundred seventy".