26147872 has 24 divisors (see below), whose sum is σ = 53718336. Its totient is φ = 12505152.

The previous prime is 26147867. The next prime is 26147881. The reversal of 26147872 is 27874162.

It is a super-2 number, since 2×26147872² = 1367422420256768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17028 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (2238264).

Almost surely, 2^26147872 is an apocalyptic number.

It is an amenable number.

26147872 is an abundant number, since it is smaller than the sum of its proper divisors (27570464).

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

26147872 is a wasteful number, since it uses less digits than its factorization.

26147872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560 (or 35552 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 26147872 is about 5113.4989977510. The cubic root of 26147872 is about 296.8101739452.

The spelling of 26147872 in words is "twenty-six million, one hundred forty-seven thousand, eight hundred seventy-two".