87073536 has 108 divisors (see below), whose sum is σ = 254997176. Its totient is φ = 26357760.

The previous prime is 87073531. The next prime is 87073537. The reversal of 87073536 is 63537078.

It is a junction number, because it is equal to n+sod(n) for n = 87073494 and 87073503.

It is not an unprimeable number, because it can be changed into a prime (87073531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92460 + ... + 93396.

Almost surely, 2^87073536 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 87073536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127498588).

87073536 is an abundant number, since it is smaller than the sum of its proper divisors (167923640).

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

87073536 is a wasteful number, since it uses less digits than its factorization.

87073536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 87073536 is about 9331.3201638353. The cubic root of 87073536 is about 443.2295705050.

The spelling of 87073536 in words is "eighty-seven million, seventy-three thousand, five hundred thirty-six".