9709673472 has 154 divisors (see below), whose sum is σ = 29103721968. Its totient is φ = 3236308992.

The previous prime is 9709673453. The next prime is 9709673503. The reversal of 9709673472 is 2743769079.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 739993 + ... + 752999.

Almost surely, 2^9709673472 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 9709673472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14551860984).

9709673472 is an abundant number, since it is smaller than the sum of its proper divisors (19394048496).

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

9709673472 is an equidigital number, since it uses as much as digits as its factorization.

9709673472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13045 (or 13012 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The square root of 9709673472 is about 98537.6753937295. The cubic root of 9709673472 is about 2133.3799462037.

The spelling of 9709673472 in words is "nine billion, seven hundred nine million, six hundred seventy-three thousand, four hundred seventy-two".