70065270 has 128 divisors (see below), whose sum is σ = 210677760. Its totient is φ = 16416000.

The previous prime is 70065253. The next prime is 70065277. The reversal of 70065270 is 7256007.

70065270 is a `hidden beast` number, since 7 + 0 + 0 + 652 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70065277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91690 + ... + 92450.

It is an arithmetic number, because the mean of its divisors is an integer number (1645920).

Almost surely, 2^70065270 is an apocalyptic number.

It is a pronic number, being equal to 8370×8371.

It is a practical number, because each smaller number is the sum of distinct divisors of 70065270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105338880).

70065270 is an abundant number, since it is smaller than the sum of its proper divisors (140612490).

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

70065270 is a wasteful number, since it uses less digits than its factorization.

70065270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70065270 is about 8370.4999850666. The cubic root of 70065270 is about 412.2565836609.

The spelling of 70065270 in words is "seventy million, sixty-five thousand, two hundred seventy".