87067572 has 24 divisors (see below), whose sum is σ = 206191776. Its totient is φ = 28589088.

The previous prime is 87067571. The next prime is 87067577. The reversal of 87067572 is 27576078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87067571) 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, 53343 + ... + 54950.

It is an arithmetic number, because the mean of its divisors is an integer number (8591324).

Almost surely, 2^87067572 is an apocalyptic number.

It is an amenable number.

87067572 is an abundant number, since it is smaller than the sum of its proper divisors (119124204).

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

87067572 is a wasteful number, since it uses less digits than its factorization.

87067572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108367 (or 108365 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 87067572 is about 9331.0005894331. Note that the first 3 decimals coincide. The cubic root of 87067572 is about 443.2194507770.

The spelling of 87067572 in words is "eighty-seven million, sixty-seven thousand, five hundred seventy-two".