70130 has 8 divisors (see below), whose sum is σ = 126252. Its totient is φ = 28048.
The previous prime is 70123. The next prime is 70139. The reversal of 70130 is 3107.
It can be written as a sum of positive squares in 2 ways, for example, as 69169 + 961 = 263^2 + 31^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (70139) by changing a digit.
70130 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 3 ways as a sum of consecutive naturals, for example, 3497 + ... + 3516.
270130 is an apocalyptic number.
70130 is a deficient number, since it is larger than the sum of its proper divisors (56122).
70130 is a wasteful number, since it uses less digits than its factorization.
70130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7020.
The product of its (nonzero) digits is 21, while the sum is 11.
The square root of 70130 is about 264.8206940554. The cubic root of 70130 is about 41.2383499393.
Adding to 70130 its reverse (3107), we get a palindrome (73237).
The spelling of 70130 in words is "seventy thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •