70135000 has 120 divisors (see below), whose sum is σ = 180082980. Its totient is φ = 25584000.

The previous prime is 70134991. The next prime is 70135001. The reversal of 70135000 is 53107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70135001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 844959 + ... + 845041.

Almost surely, 2^70135000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70135000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90041490).

70135000 is an abundant number, since it is smaller than the sum of its proper divisors (109947980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70135000 is a wasteful number, since it uses less digits than its factorization.

70135000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 70135000 is about 8374.6641723713. The cubic root of 70135000 is about 412.3932996140.

Adding to 70135000 its reverse (53107), we get a palindrome (70188107).

The spelling of 70135000 in words is "seventy million, one hundred thirty-five thousand".