26712720 has 160 divisors (see below), whose sum is σ = 93744000. Its totient is φ = 6990336.

The previous prime is 26712713. The next prime is 26712737. The reversal of 26712720 is 2721762.

26712720 = T₄₉₆ + T₄₉₇ + ... + T₆₅₅.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179206 + ... + 179354.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^26712720 is an apocalyptic number.

26712720 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 26712720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46872000).

26712720 is an abundant number, since it is smaller than the sum of its proper divisors (67031280).

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

26712720 is a wasteful number, since it uses less digits than its factorization.

26712720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 26712720 is about 5168.4349662156. The cubic root of 26712720 is about 298.9322038807.

The spelling of 26712720 in words is "twenty-six million, seven hundred twelve thousand, seven hundred twenty".