30471132736 has 112 divisors (see below), whose sum is σ = 68186515392. Its totient is φ = 13388544000.

The previous prime is 30471132709. The next prime is 30471132763. The reversal of 30471132736 is 63723117403.

It is an interprime number because it is at equal distance from previous prime (30471132709) and next prime (30471132763).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 30471132695 and 30471132704.

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 15 ways as a sum of consecutive naturals, for example, 4085811 + ... + 4093261.

Almost surely, 2^30471132736 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 30471132736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34093257696).

30471132736 is an abundant number, since it is smaller than the sum of its proper divisors (37715382656).

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

30471132736 is a wasteful number, since it uses less digits than its factorization.

30471132736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 7658 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 30471132736 in words is "thirty billion, four hundred seventy-one million, one hundred thirty-two thousand, seven hundred thirty-six".