873972736 has 176 divisors, whose sum is σ = 2195432064. Its totient is φ = 338558976.

The previous prime is 873972707. The next prime is 873972751. The reversal of 873972736 is 637279378.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 7734216 + ... + 7734328.

Almost surely, 2^873972736 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 873972736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097716032).

873972736 is an abundant number, since it is smaller than the sum of its proper divisors (1321459328).

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

873972736 is a wasteful number, since it uses less digits than its factorization.

873972736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 218 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 52.

The square root of 873972736 is about 29563.0298853145. The cubic root of 873972736 is about 956.0911428425.

The spelling of 873972736 in words is "eight hundred seventy-three million, nine hundred seventy-two thousand, seven hundred thirty-six".