26428672 has 18 divisors (see below), whose sum is σ = 52754618. Its totient is φ = 13214208.

The previous prime is 26428663. The next prime is 26428673. The reversal of 26428672 is 27682462.

It can be written as a sum of positive squares in only one way, i.e., 26378496 + 50176 = 5136^2 + 224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26428673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51363 + ... + 51874.

Almost surely, 2^26428672 is an apocalyptic number.

It is an amenable number.

26428672 is a deficient number, since it is larger than the sum of its proper divisors (26325946).

26428672 is an equidigital number, since it uses as much as digits as its factorization.

26428672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103253 (or 103239 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 26428672 is about 5140.8824145277. The cubic root of 26428672 is about 297.8688671275.

The spelling of 26428672 in words is "twenty-six million, four hundred twenty-eight thousand, six hundred seventy-two".