2730630 has 32 divisors (see below), whose sum is σ = 7490304. Its totient is φ = 624096.

The previous prime is 2730601. The next prime is 2730643. The reversal of 2730630 is 360372.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2730597 and 2730606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6292 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (234072).

2^2730630 is an apocalyptic number.

2730630 is an abundant number, since it is smaller than the sum of its proper divisors (4759674).

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

2730630 is a wasteful number, since it uses less digits than its factorization.

2730630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 2730630 is about 1652.4617998610. The cubic root of 2730630 is about 139.7722487440.

The spelling of 2730630 in words is "two million, seven hundred thirty thousand, six hundred thirty".