87075724 has 6 divisors (see below), whose sum is σ = 152382524. Its totient is φ = 43537860.

The previous prime is 87075707. The next prime is 87075733. The reversal of 87075724 is 42757078.

87075724 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

87075724 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10884462 + ... + 10884469.

Almost surely, 2^87075724 is an apocalyptic number.

It is an amenable number.

87075724 is a deficient number, since it is larger than the sum of its proper divisors (65306800).

87075724 is a wasteful number, since it uses less digits than its factorization.

87075724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21768935 (or 21768933 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 87075724 is about 9331.4374026728. The cubic root of 87075724 is about 443.2332829923.

The spelling of 87075724 in words is "eighty-seven million, seventy-five thousand, seven hundred twenty-four".