3072072730 has 16 divisors (see below), whose sum is σ = 5607615744. Its totient is φ = 1211521360.

The previous prime is 3072072709. The next prime is 3072072733. The reversal of 3072072730 is 372702703.

It is a junction number, because it is equal to n+sod(n) for n = 3072072692 and 3072072701.

It is not an unprimeable number, because it can be changed into a prime (3072072733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162722 + ... + 2164141.

It is an arithmetic number, because the mean of its divisors is an integer number (350475984).

Almost surely, 2^3072072730 is an apocalyptic number.

3072072730 is a deficient number, since it is larger than the sum of its proper divisors (2535543014).

3072072730 is a wasteful number, since it uses less digits than its factorization.

3072072730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326941.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 3072072730 is about 55426.2819427751. The cubic root of 3072072730 is about 1453.7079463263.

The spelling of 3072072730 in words is "three billion, seventy-two million, seventy-two thousand, seven hundred thirty".