26973680 has 40 divisors (see below), whose sum is σ = 63074832. Its totient is φ = 10727424.

The previous prime is 26973677. The next prime is 26973697. The reversal of 26973680 is 8637962.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14567 + ... + 16313.

Almost surely, 2^26973680 is an apocalyptic number.

26973680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26973680 is an abundant number, since it is smaller than the sum of its proper divisors (36101152).

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

26973680 is a wasteful number, since it uses less digits than its factorization.

26973680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 26973680 is about 5193.6191620102. The cubic root of 26973680 is about 299.9024868259.

The spelling of 26973680 in words is "twenty-six million, nine hundred seventy-three thousand, six hundred eighty".