973163520 has 396 divisors, whose sum is σ = 3931615584. Its totient is φ = 221921280.

The previous prime is 973163519. The next prime is 973163533. The reversal of 973163520 is 25361379.

973163520 is a `hidden beast` number, since 9 + 73 + 1 + 63 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2257705 + ... + 2258135.

Almost surely, 2^973163520 is an apocalyptic number.

973163520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 973163520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965807792).

973163520 is an abundant number, since it is smaller than the sum of its proper divisors (2958452064).

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

973163520 is a wasteful number, since it uses less digits than its factorization.

973163520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 973163520 is about 31195.5689161137. The cubic root of 973163520 is about 990.9732699834.

The spelling of 973163520 in words is "nine hundred seventy-three million, one hundred sixty-three thousand, five hundred twenty".