87073572 has 24 divisors (see below), whose sum is σ = 203376096. Its totient is φ = 28995328.

The previous prime is 87073559. The next prime is 87073579. The reversal of 87073572 is 27537078.

It is a self number, because there is not a number n which added to its sum of digits gives 87073572.

It is not an unprimeable number, because it can be changed into a prime (87073579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11188 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (8474004).

Almost surely, 2^87073572 is an apocalyptic number.

It is an amenable number.

87073572 is an abundant number, since it is smaller than the sum of its proper divisors (116302524).

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

87073572 is a wasteful number, since it uses less digits than its factorization.

87073572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307 (or 7305 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 87073572 is about 9331.3220928226. The cubic root of 87073572 is about 443.2296315885.

The spelling of 87073572 in words is "eighty-seven million, seventy-three thousand, five hundred seventy-two".