30701470620 has 144 divisors (see below), whose sum is σ = 94054703904. Its totient is φ = 7456665600.

The previous prime is 30701470573. The next prime is 30701470633. The reversal of 30701470620 is 2607410703.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 964560 + ... + 995880.

It is an arithmetic number, because the mean of its divisors is an integer number (653157666).

Almost surely, 2^30701470620 is an apocalyptic number.

30701470620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30701470620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47027351952).

30701470620 is an abundant number, since it is smaller than the sum of its proper divisors (63353233284).

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

30701470620 is a wasteful number, since it uses less digits than its factorization.

30701470620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31412 (or 31379 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 30701470620 in words is "thirty billion, seven hundred one million, four hundred seventy thousand, six hundred twenty".