70516 has 18 divisors (see below), whose sum is σ = 133238. Its totient is φ = 32640.

The previous prime is 70507. The next prime is 70529. The reversal of 70516 is 61507.

It can be written as a sum of positive squares in 3 ways, for example, as 10000 + 60516 = 100^2 + 246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70493 and 70502.

It is a congruent number.

It is an unprimeable number.

70516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1126 + ... + 1186.

2⁷⁰⁵¹⁶ is an apocalyptic number.

It is an amenable number.

70516 is a deficient number, since it is larger than the sum of its proper divisors (62722).

70516 is a wasteful number, since it uses less digits than its factorization.

70516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 70516 is about 265.5484889808. The cubic root of 70516 is about 41.3138710548.

Subtracting from 70516 its reverse (61507), we obtain a palindrome (9009).

The spelling of 70516 in words is "seventy thousand, five hundred sixteen".