2007445730 has 32 divisors (see below), whose sum is σ = 3752820720. Its totient is φ = 772485120.

The previous prime is 2007445729. The next prime is 2007445753. The reversal of 2007445730 is 375447002.

It can be written as a sum of positive squares in 8 ways, for example, as 326199721 + 1681246009 = 18061^2 + 41003^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2450 + ... + 63410.

Almost surely, 2^2007445730 is an apocalyptic number.

2007445730 is a deficient number, since it is larger than the sum of its proper divisors (1745374990).

2007445730 is a wasteful number, since it uses less digits than its factorization.

2007445730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61094.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 2007445730 is about 44804.5280077806. The cubic root of 2007445730 is about 1261.4826189846.

The spelling of 2007445730 in words is "two billion, seven million, four hundred forty-five thousand, seven hundred thirty".