9290921472 has 240 divisors, whose sum is σ = 30928154400. Its totient is φ = 2630025216.

The previous prime is 9290921449. The next prime is 9290921489. The reversal of 9290921472 is 2741290929.

9290921472 is a `hidden beast` number, since 9 + 2 + 90 + 92 + 1 + 472 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3643654 + ... + 3646202.

It is an arithmetic number, because the mean of its divisors is an integer number (128867310).

Almost surely, 2^9290921472 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 9290921472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15464077200).

9290921472 is an abundant number, since it is smaller than the sum of its proper divisors (21637232928).

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

9290921472 is a wasteful number, since it uses less digits than its factorization.

9290921472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 9290921472 is about 96389.4261420826. The cubic root of 9290921472 is about 2102.2592067403.

The spelling of 9290921472 in words is "nine billion, two hundred ninety million, nine hundred twenty-one thousand, four hundred seventy-two".