26973980 has 24 divisors (see below), whose sum is σ = 61795440. Its totient is φ = 9808640.

The previous prime is 26973971. The next prime is 26974001. The reversal of 26973980 is 8937962.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 61085 + ... + 61524.

It is an arithmetic number, because the mean of its divisors is an integer number (2574810).

Almost surely, 2^26973980 is an apocalyptic number.

26973980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26973980 is an abundant number, since it is smaller than the sum of its proper divisors (34821460).

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

26973980 is a wasteful number, since it uses less digits than its factorization.

26973980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122629 (or 122627 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 26973980 is about 5193.6480435239. The cubic root of 26973980 is about 299.9035986556.

The spelling of 26973980 in words is "twenty-six million, nine hundred seventy-three thousand, nine hundred eighty".