2087072730 has 40 divisors (see below), whose sum is σ = 5611908852. Its totient is φ = 556552512.

The previous prime is 2087072683. The next prime is 2087072753. The reversal of 2087072730 is 372707802.

It can be written as a sum of positive squares in 2 ways, for example, as 1999967841 + 87104889 = 44721^2 + 9333^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1287507 + ... + 1289126.

Almost surely, 2^2087072730 is an apocalyptic number.

2087072730 is an abundant number, since it is smaller than the sum of its proper divisors (3524836122).

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

2087072730 is a wasteful number, since it uses less digits than its factorization.

2087072730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576652 (or 2576643 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 2087072730 is about 45684.4911321118. The cubic root of 2087072730 is about 1277.9460732386.

It can be divided in two parts, 2087072 and 730, that added together give a palindrome (2087802).

The spelling of 2087072730 in words is "two billion, eighty-seven million, seventy-two thousand, seven hundred thirty".