2870730 has 48 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 756960.

The previous prime is 2870717. The next prime is 2870753. The reversal of 2870730 is 370782.

It is a junction number, because it is equal to n+sod(n) for n = 2870694 and 2870703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14935 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2^2870730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2870730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952).

2870730 is an abundant number, since it is smaller than the sum of its proper divisors (4677174).

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

2870730 is a wasteful number, since it uses less digits than its factorization.

2870730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2870730 is about 1694.3228735988. The cubic root of 2870730 is about 142.1229181010.

It can be divided in two parts, 2870 and 730, that added together give a square (3600 = 60²).

The spelling of 2870730 in words is "two million, eight hundred seventy thousand, seven hundred thirty".