9379782720 has 896 divisors, whose sum is σ = 43118714880. Its totient is φ = 1861263360.

The previous prime is 9379782701. The next prime is 9379782757. The reversal of 9379782720 is 272879739.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15301134 + ... + 15301746.

Almost surely, 2^9379782720 is an apocalyptic number.

9379782720 is a gapful number since it is divisible by the number (90) 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 9379782720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21559357440).

9379782720 is an abundant number, since it is smaller than the sum of its proper divisors (33738932160).

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

9379782720 is a wasteful number, since it uses less digits than its factorization.

9379782720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 9379782720 is about 96849.2783659228. The cubic root of 9379782720 is about 2108.9401713875.

The spelling of 9379782720 in words is "nine billion, three hundred seventy-nine million, seven hundred eighty-two thousand, seven hundred twenty".