2999072730 has 16 divisors (see below), whose sum is σ = 7197774624. Its totient is φ = 799752720.

The previous prime is 2999072723. The next prime is 2999072737. The reversal of 2999072730 is 372709992.

It is an interprime number because it is at equal distance from previous prime (2999072723) and next prime (2999072737).

It is a self number, because there is not a number n which added to its sum of digits gives 2999072730.

It is not an unprimeable number, because it can be changed into a prime (2999072737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49984516 + ... + 49984575.

It is an arithmetic number, because the mean of its divisors is an integer number (449860914).

Almost surely, 2^2999072730 is an apocalyptic number.

2999072730 is an abundant number, since it is smaller than the sum of its proper divisors (4198701894).

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

2999072730 is a wasteful number, since it uses less digits than its factorization.

2999072730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99969101.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 2999072730 is about 54763.7903180560. The cubic root of 2999072730 is about 1442.1009600218.

The spelling of 2999072730 in words is "two billion, nine hundred ninety-nine million, seventy-two thousand, seven hundred thirty".