30672734312 has 96 divisors (see below), whose sum is σ = 66318013440. Its totient is φ = 13264310400.

The previous prime is 30672734293. The next prime is 30672734387. The reversal of 30672734312 is 21343727603.

It is a super-2 number, since 2×30672734312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4248818 + ... + 4256030.

It is an arithmetic number, because the mean of its divisors is an integer number (690812640).

Almost surely, 2^30672734312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30672734312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33159006720).

30672734312 is an abundant number, since it is smaller than the sum of its proper divisors (35645279128).

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

30672734312 is a wasteful number, since it uses less digits than its factorization.

30672734312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455 (or 7440 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 30672734312 in words is "thirty billion, six hundred seventy-two million, seven hundred thirty-four thousand, three hundred twelve".