27270726736 has 80 divisors (see below), whose sum is σ = 58216273920. Its totient is φ = 12272549760.

The previous prime is 27270726709. The next prime is 27270726739. The reversal of 27270726736 is 63762707272.

It is a self number, because there is not a number n which added to its sum of digits gives 27270726736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27270726739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8117025 + ... + 8120383.

It is an arithmetic number, because the mean of its divisors is an integer number (727703424).

Almost surely, 2^27270726736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27270726736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29108136960).

27270726736 is an abundant number, since it is smaller than the sum of its proper divisors (30945547184).

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

27270726736 is a wasteful number, since it uses less digits than its factorization.

27270726736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 27270726736 in words is "twenty-seven billion, two hundred seventy million, seven hundred twenty-six thousand, seven hundred thirty-six".