87070 has 8 divisors (see below), whose sum is σ = 156744. Its totient is φ = 34824.

The previous prime is 87049. The next prime is 87071. The reversal of 87070 is 7078.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344 + ... + 4363.

It is an arithmetic number, because the mean of its divisors is an integer number (19593).

2⁸⁷⁰⁷⁰ is an apocalyptic number.

87070 is a deficient number, since it is larger than the sum of its proper divisors (69674).

87070 is a wasteful number, since it uses less digits than its factorization.

87070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 87070 is about 295.0762613292. The cubic root of 87070 is about 44.3223570668.

The spelling of 87070 in words is "eighty-seven thousand, seventy".