2725479616 has 56 divisors (see below), whose sum is σ = 5580985536. Its totient is φ = 1319854080.

The previous prime is 2725479587. The next prime is 2725479619. The reversal of 2725479616 is 6169745272.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2725479616.

It is not an unprimeable number, because it can be changed into a prime (2725479619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287106 + ... + 296446.

It is an arithmetic number, because the mean of its divisors is an integer number (99660456).

Almost surely, 2^2725479616 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 2725479616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790492768).

2725479616 is an abundant number, since it is smaller than the sum of its proper divisors (2855505920).

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

2725479616 is an equidigital number, since it uses as much as digits as its factorization.

2725479616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497 (or 9487 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 2725479616 is about 52206.1262305488. The cubic root of 2725479616 is about 1396.8431618753.

The spelling of 2725479616 in words is "two billion, seven hundred twenty-five million, four hundred seventy-nine thousand, six hundred sixteen".