26572980 has 96 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 6019200.

The previous prime is 26572943. The next prime is 26573009. The reversal of 26572980 is 8927562.

It is a happy number.

It is a super-2 number, since 2×26572980² = 1412246532160800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63211 + ... + 63629.

It is an arithmetic number, because the mean of its divisors is an integer number (893760).

Almost surely, 2^26572980 is an apocalyptic number.

26572980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26572980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42900480).

26572980 is an abundant number, since it is smaller than the sum of its proper divisors (59227980).

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

26572980 is a wasteful number, since it uses less digits than its factorization.

26572980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 26572980 is about 5154.8986410986. The cubic root of 26572980 is about 298.4100326776.

The spelling of 26572980 in words is "twenty-six million, five hundred seventy-two thousand, nine hundred eighty".