2456730 has 56 divisors (see below), whose sum is σ = 6649812. Its totient is φ = 653184.

The previous prime is 2456711. The next prime is 2456731. The reversal of 2456730 is 376542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 88209 = 1539^2 + 297^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2456694 and 2456703.

It is not an unprimeable number, because it can be changed into a prime (2456731) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7122 + ... + 7458.

2^2456730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2456730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3324906).

2456730 is an abundant number, since it is smaller than the sum of its proper divisors (4193082).

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

2456730 is an equidigital number, since it uses as much as digits as its factorization.

2456730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2456730 is about 1567.3959295596. The cubic root of 2456730 is about 134.9333003844.

The spelling of 2456730 in words is "two million, four hundred fifty-six thousand, seven hundred thirty".