87034 has 4 divisors (see below), whose sum is σ = 130554. Its totient is φ = 43516.

The previous prime is 87013. The next prime is 87037. The reversal of 87034 is 43078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87025 + 9 = 295^2 + 3^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 86996 and 87014.

It is not an unprimeable number, because it can be changed into a prime (87037) 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 as a sum of consecutive naturals, namely, 21757 + ... + 21760.

2⁸⁷⁰³⁴ is an apocalyptic number.

87034 is a deficient number, since it is larger than the sum of its proper divisors (43520).

87034 is a wasteful number, since it uses less digits than its factorization.

87034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43519.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 87034 is about 295.0152538429. The cubic root of 87034 is about 44.3162477111.

Subtracting from 87034 its reverse (43078), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 87034 in words is "eighty-seven thousand, thirty-four".