2445732 has 36 divisors (see below), whose sum is σ = 6336876. Its totient is φ = 794880.

The previous prime is 2445721. The next prime is 2445733. The reversal of 2445732 is 2375442.

It can be written as a sum of positive squares in 2 ways, for example, as 389376 + 2056356 = 624^2 + 1434^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2445696 and 2445705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648 + ... + 2304.

2^2445732 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 2445732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3168438).

2445732 is an abundant number, since it is smaller than the sum of its proper divisors (3891144).

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

2445732 is a wasteful number, since it uses less digits than its factorization.

2445732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1703 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2445732 is about 1563.8836273841. The cubic root of 2445732 is about 134.7316479953.

The spelling of 2445732 in words is "two million, four hundred forty-five thousand, seven hundred thirty-two".