30709373352 has 128 divisors (see below), whose sum is σ = 93738163200. Its totient is φ = 8188190208.

The previous prime is 30709373329. The next prime is 30709373363. The reversal of 30709373352 is 25337390703.

It is a super-2 number, since 2×30709373352² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142068 + ... + 285660.

It is an arithmetic number, because the mean of its divisors is an integer number (732329400).

Almost surely, 2^30709373352 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 30709373352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46869081600).

30709373352 is an abundant number, since it is smaller than the sum of its proper divisors (63028789848).

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

30709373352 is a wasteful number, since it uses less digits than its factorization.

30709373352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143695 (or 143691 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 42.

The spelling of 30709373352 in words is "thirty billion, seven hundred nine million, three hundred seventy-three thousand, three hundred fifty-two".