30247706136 has 64 divisors (see below), whose sum is σ = 78510136320. Its totient is φ = 9700882560.

The previous prime is 30247706131. The next prime is 30247706141. The reversal of 30247706136 is 63160774203.

It is an interprime number because it is at equal distance from previous prime (30247706131) and next prime (30247706141).

It is a junction number, because it is equal to n+sod(n) for n = 30247706094 and 30247706103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30247706131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11211 + ... + 246213.

It is an arithmetic number, because the mean of its divisors is an integer number (1226720880).

Almost surely, 2^30247706136 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 30247706136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39255068160).

30247706136 is an abundant number, since it is smaller than the sum of its proper divisors (48262430184).

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

30247706136 is a wasteful number, since it uses less digits than its factorization.

30247706136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235216 (or 235212 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 30247706136 in words is "thirty billion, two hundred forty-seven million, seven hundred six thousand, one hundred thirty-six".