70915 has 8 divisors (see below), whose sum is σ = 91728. Its totient is φ = 52320.

The previous prime is 70913. The next prime is 70919. The reversal of 70915 is 51907.

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

It is not a de Polignac number, because 70915 - 2¹ = 70913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (11466).

2⁷⁰⁹¹⁵ is an apocalyptic number.

70915 is a deficient number, since it is larger than the sum of its proper divisors (20813).

70915 is a wasteful number, since it uses less digits than its factorization.

70915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 70915 is about 266.2987044655. The cubic root of 70915 is about 41.3916465055.

The spelling of 70915 in words is "seventy thousand, nine hundred fifteen".