9072621904 has 40 divisors (see below), whose sum is σ = 18577248480. Its totient is φ = 4280400000.

The previous prime is 9072621881. The next prime is 9072621937. The reversal of 9072621904 is 4091262709.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16854 + ... + 135754.

It is an arithmetic number, because the mean of its divisors is an integer number (464431212).

Almost surely, 2^9072621904 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 9072621904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9288624240).

9072621904 is an abundant number, since it is smaller than the sum of its proper divisors (9504626576).

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

9072621904 is a wasteful number, since it uses less digits than its factorization.

9072621904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119179 (or 119173 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9072621904 is about 95250.3118315106. The cubic root of 9072621904 is about 2085.6636435782.

The spelling of 9072621904 in words is "nine billion, seventy-two million, six hundred twenty-one thousand, nine hundred four".