26973642 has 16 divisors (see below), whose sum is σ = 55202400. Its totient is φ = 8782032.

The previous prime is 26973637. The next prime is 26973643. The reversal of 26973642 is 24637962.

It is a self number, because there is not a number n which added to its sum of digits gives 26973642.

It is not an unprimeable number, because it can be changed into a prime (26973643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52017 + ... + 52532.

It is an arithmetic number, because the mean of its divisors is an integer number (3450150).

Almost surely, 2^26973642 is an apocalyptic number.

26973642 is an abundant number, since it is smaller than the sum of its proper divisors (28228758).

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

26973642 is a wasteful number, since it uses less digits than its factorization.

26973642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104597.

The product of its digits is 108864, while the sum is 39.

The square root of 26973642 is about 5193.6155036737. The cubic root of 26973642 is about 299.9023459935.

The spelling of 26973642 in words is "twenty-six million, nine hundred seventy-three thousand, six hundred forty-two".