70659 has 8 divisors (see below), whose sum is σ = 104720. Its totient is φ = 47088.

The previous prime is 70657. The next prime is 70663. The reversal of 70659 is 95607.

70659 is a `hidden beast` number, since 7 + 0 + 659 = 666.

It is not a de Polignac number, because 70659 - 2¹ = 70657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2617 = 70659 / (7 + 0 + 6 + 5 + 9).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70659.

It is not an unprimeable number, because it can be changed into a prime (70657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (13090).

2⁷⁰⁶⁵⁹ is an apocalyptic number.

70659 is a deficient number, since it is larger than the sum of its proper divisors (34061).

70659 is a wasteful number, since it uses less digits than its factorization.

70659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 70659 is about 265.8176066403. The cubic root of 70659 is about 41.3417791158.

It can be divided in two parts, 70 and 659, that added together give a 6-th power (729 = 3⁶).

The spelling of 70659 in words is "seventy thousand, six hundred fifty-nine".