6456730 has 24 divisors (see below), whose sum is σ = 13520628. Its totient is φ = 2213568.

The previous prime is 6456727. The next prime is 6456731. The reversal of 6456730 is 376546.

It can be written as a sum of positive squares in 2 ways, for example, as 6456681 + 49 = 2541^2 + 7^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6456692 and 6456701.

It is not an unprimeable number, because it can be changed into a prime (6456731) 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, 6099 + ... + 7078.

Almost surely, 2^6456730 is an apocalyptic number.

6456730 is an abundant number, since it is smaller than the sum of its proper divisors (7063898).

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

6456730 is a wasteful number, since it uses less digits than its factorization.

6456730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198 (or 13191 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 6456730 is about 2541.0096418550. The cubic root of 6456730 is about 186.2105181840.

The spelling of 6456730 in words is "six million, four hundred fifty-six thousand, seven hundred thirty".