72000030000003 has 48 divisors (see below), whose sum is σ = 114399367034400. Its totient is φ = 40138650316800.

The previous prime is 72000029999999. The next prime is 72000030000023. The reversal of 72000030000003 is 30000003000027.

72000030000003 is a nontrivial binomial coefficient, being equal to C(12000003, 2).

It is not a de Polignac number, because 72000030000003 - 2² = 72000029999999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72000030000023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 587938923 + ... + 588061371.

It is an arithmetic number, because the mean of its divisors is an integer number (2383320146550).

Almost surely, 2^{72000030000003} is an apocalyptic number.

72000030000003 is the 12000002-nd triangular number.

72000030000003 is a deficient number, since it is larger than the sum of its proper divisors (42399337034397).

72000030000003 is a wasteful number, since it uses less digits than its factorization.

72000030000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220068 (or 220061 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 15.

The spelling of 72000030000003 in words is "seventy-two trillion, thirty million, three", and thus it is an aban number and an uban number.