2745732 has 72 divisors (see below), whose sum is σ = 7388416. Its totient is φ = 792000.

The previous prime is 2745731. The next prime is 2745737. The reversal of 2745732 is 2375472.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2745732.

It is not an unprimeable number, because it can be changed into a prime (2745731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44982 + ... + 45042.

2^2745732 is an apocalyptic number.

2745732 is a gapful number since it is divisible by the number (22) 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 2745732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3694208).

2745732 is an abundant number, since it is smaller than the sum of its proper divisors (4642684).

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

2745732 is a wasteful number, since it uses less digits than its factorization.

2745732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 2745732 is about 1657.0250450732. The cubic root of 2745732 is about 140.0294495870.

It can be divided in two parts, 274 and 5732, that added together give a palindrome (6006).

The spelling of 2745732 in words is "two million, seven hundred forty-five thousand, seven hundred thirty-two".