70587 has 24 divisors (see below), whose sum is σ = 119808. Its totient is φ = 39600.

The previous prime is 70583. The next prime is 70589. The reversal of 70587 is 78507.

70587 = 44² + 45² + ... + 66².

It is not a de Polignac number, because 70587 - 2² = 70583 is a prime.

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

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 70587.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70587.

It is not an unprimeable number, because it can be changed into a prime (70583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2262 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (4992).

2⁷⁰⁵⁸⁷ is an apocalyptic number.

70587 is a deficient number, since it is larger than the sum of its proper divisors (49221).

70587 is a wasteful number, since it uses less digits than its factorization.

70587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 70587 is about 265.6821409128. The cubic root of 70587 is about 41.3277322159.

The spelling of 70587 in words is "seventy thousand, five hundred eighty-seven".