9372390720 has 672 divisors, whose sum is σ = 38527695360. Its totient is φ = 1908264960.

The previous prime is 9372390691. The next prime is 9372390739. The reversal of 9372390720 is 270932739.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30528807 + ... + 30529113.

It is an arithmetic number, because the mean of its divisors is an integer number (57332880).

Almost surely, 2^9372390720 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 9372390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19263847680).

9372390720 is an abundant number, since it is smaller than the sum of its proper divisors (29155304640).

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

9372390720 is a wasteful number, since it uses less digits than its factorization.

9372390720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 9372390720 is about 96811.1084535241. The cubic root of 9372390720 is about 2108.3860227042.

The spelling of 9372390720 in words is "nine billion, three hundred seventy-two million, three hundred ninety thousand, seven hundred twenty".