70635 has 16 divisors (see below), whose sum is σ = 120096. Its totient is φ = 35328.

The previous prime is 70627. The next prime is 70639. The reversal of 70635 is 53607.

It is not a de Polignac number, because 70635 - 2³ = 70627 is a prime.

70635 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (70639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117 + ... + 393.

It is an arithmetic number, because the mean of its divisors is an integer number (7506).

2⁷⁰⁶³⁵ is an apocalyptic number.

70635 is a deficient number, since it is larger than the sum of its proper divisors (49461).

70635 is a wasteful number, since it uses less digits than its factorization.

70635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 70635 is about 265.7724590698. The cubic root of 70635 is about 41.3370978766.

It can be divided in two parts, 706 and 35, that added together give a triangular number (741 = T₃₈).

The spelling of 70635 in words is "seventy thousand, six hundred thirty-five".