973640735232 has 160 divisors (see below), whose sum is σ = 2869501054464. Its totient is φ = 290886758400.

The previous prime is 973640735183. The next prime is 973640735267. The reversal of 973640735232 is 232537046379.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793803 + ... + 1605429.

Almost surely, 2^973640735232 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 973640735232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434750527232).

973640735232 is an abundant number, since it is smaller than the sum of its proper divisors (1895860319232).

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

973640735232 is a wasteful number, since it uses less digits than its factorization.

973640735232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811730 (or 811714 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 51.

The spelling of 973640735232 in words is "nine hundred seventy-three billion, six hundred forty million, seven hundred thirty-five thousand, two hundred thirty-two".