70958 has 8 divisors (see below), whose sum is σ = 112752. Its totient is φ = 33376.

The previous prime is 70957. The next prime is 70969. The reversal of 70958 is 85907.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1077.

It is an arithmetic number, because the mean of its divisors is an integer number (14094).

2⁷⁰⁹⁵⁸ is an apocalyptic number.

70958 is a deficient number, since it is larger than the sum of its proper divisors (41794).

70958 is a wasteful number, since it uses less digits than its factorization.

70958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 70958 is about 266.3794286352. The cubic root of 70958 is about 41.4000108910.

It can be divided in two parts, 709 and 58, that added together give a palindrome (767).

The spelling of 70958 in words is "seventy thousand, nine hundred fifty-eight".