87130574 has 8 divisors (see below), whose sum is σ = 133476768. Its totient is φ = 42638320.

The previous prime is 87130543. The next prime is 87130609. The reversal of 87130574 is 47503178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463367 + ... + 463554.

It is an arithmetic number, because the mean of its divisors is an integer number (16684596).

Almost surely, 2^87130574 is an apocalyptic number.

87130574 is a deficient number, since it is larger than the sum of its proper divisors (46346194).

87130574 is a wasteful number, since it uses less digits than its factorization.

87130574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926970.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 87130574 is about 9334.3759298627. The cubic root of 87130574 is about 443.3263293722.

The spelling of 87130574 in words is "eighty-seven million, one hundred thirty thousand, five hundred seventy-four".