2872312738 has 8 divisors (see below), whose sum is σ = 4424914332. Its totient is φ = 1397341296.

The previous prime is 2872312721. The next prime is 2872312771. The reversal of 2872312738 is 8372132782.

It can be written as a sum of positive squares in 2 ways, for example, as 2841209809 + 31102929 = 53303^2 + 5577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2872312694 and 2872312703.

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 3 ways as a sum of consecutive naturals, for example, 19407445 + ... + 19407592.

Almost surely, 2^2872312738 is an apocalyptic number.

2872312738 is a deficient number, since it is larger than the sum of its proper divisors (1552601594).

2872312738 is a wasteful number, since it uses less digits than its factorization.

2872312738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38815076.

The product of its digits is 225792, while the sum is 43.

The square root of 2872312738 is about 53593.9617680947. The cubic root of 2872312738 is about 1421.4903248264.

The spelling of 2872312738 in words is "two billion, eight hundred seventy-two million, three hundred twelve thousand, seven hundred thirty-eight".