9428309072 has 160 divisors (see below), whose sum is σ = 24257947392. Its totient is φ = 3443761152.

The previous prime is 9428309069. The next prime is 9428309101. The reversal of 9428309072 is 2709038249.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1308263 + ... + 1315449.

Almost surely, 2^9428309072 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 9428309072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12128973696).

9428309072 is an abundant number, since it is smaller than the sum of its proper divisors (14829638320).

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

9428309072 is a wasteful number, since it uses less digits than its factorization.

9428309072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285 (or 7279 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 9428309072 is about 97099.4802869717. The cubic root of 9428309072 is about 2112.5707883425.

The spelling of 9428309072 in words is "nine billion, four hundred twenty-eight million, three hundred nine thousand, seventy-two".