2725432736 has 48 divisors (see below), whose sum is σ = 5834634624. Its totient is φ = 1245659904.

The previous prime is 2725432693. The next prime is 2725432747. The reversal of 2725432736 is 6372345272.

It is a junction number, because it is equal to n+sod(n) for n = 2725432693 and 2725432702.

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, 11045 + ... + 74651.

It is an arithmetic number, because the mean of its divisors is an integer number (121554888).

Almost surely, 2^2725432736 is an apocalyptic number.

2725432736 is a gapful number since it is divisible by the number (26) 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 2725432736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2917317312).

2725432736 is an abundant number, since it is smaller than the sum of its proper divisors (3109201888).

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

2725432736 is a wasteful number, since it uses less digits than its factorization.

2725432736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63733 (or 63725 counting only the distinct ones).

The product of its digits is 423360, while the sum is 41.

The square root of 2725432736 is about 52205.6772391662. The cubic root of 2725432736 is about 1396.8351529628.

The spelling of 2725432736 in words is "two billion, seven hundred twenty-five million, four hundred thirty-two thousand, seven hundred thirty-six".