26996697 has 72 divisors (see below), whose sum is σ = 51911496. Its totient is φ = 13353984.

The previous prime is 26996681. The next prime is 26996699. The reversal of 26996697 is 79669962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 741321 + 26255376 = 861^2 + 5124^2 .

It is not a de Polignac number, because 26996697 - 2⁴ = 26996681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26996699) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97323 + ... + 97599.

It is an arithmetic number, because the mean of its divisors is an integer number (720993).

Almost surely, 2^26996697 is an apocalyptic number.

It is an amenable number.

26996697 is a deficient number, since it is larger than the sum of its proper divisors (24914799).

26996697 is a wasteful number, since it uses less digits than its factorization.

26996697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 317 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 26996697 is about 5195.8345816625. The cubic root of 26996697 is about 299.9877661678.

The spelling of 26996697 in words is "twenty-six million, nine hundred ninety-six thousand, six hundred ninety-seven".