87000074 has 16 divisors (see below), whose sum is σ = 153954816. Its totient is φ = 36082800.

The previous prime is 87000047. The next prime is 87000079. The reversal of 87000074 is 47000078.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87000079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99797 + ... + 100664.

It is an arithmetic number, because the mean of its divisors is an integer number (9622176).

Almost surely, 2^87000074 is an apocalyptic number.

87000074 is a deficient number, since it is larger than the sum of its proper divisors (66954742).

87000074 is a wasteful number, since it uses less digits than its factorization.

87000074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200501.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 87000074 is about 9327.3830199044. The cubic root of 87000074 is about 443.1048878006.

The spelling of 87000074 in words is "eighty-seven million, seventy-four", and thus it is an aban number.