26172996 has 36 divisors (see below), whose sum is σ = 64882608. Its totient is φ = 8210048.

The previous prime is 26172983. The next prime is 26173009. The reversal of 26172996 is 69927162.

It is an interprime number because it is at equal distance from previous prime (26172983) and next prime (26173009).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306 + ... + 7241.

Almost surely, 2^26172996 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 26172996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32441304).

26172996 is an abundant number, since it is smaller than the sum of its proper divisors (38709612).

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

26172996 is a wasteful number, since it uses less digits than its factorization.

26172996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588 (or 7569 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 26172996 is about 5115.9550428048. The cubic root of 26172996 is about 296.9052061749.

The spelling of 26172996 in words is "twenty-six million, one hundred seventy-two thousand, nine hundred ninety-six".