70162290 has 96 divisors (see below), whose sum is σ = 200895552. Its totient is φ = 16848000.

The previous prime is 70162289. The next prime is 70162291. The reversal of 70162290 is 9226107.

It is an interprime number because it is at equal distance from previous prime (70162289) and next prime (70162291).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70162291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129420 + ... + 129960.

It is an arithmetic number, because the mean of its divisors is an integer number (2092662).

Almost surely, 2^70162290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70162290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100447776).

70162290 is an abundant number, since it is smaller than the sum of its proper divisors (130733262).

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

70162290 is a wasteful number, since it uses less digits than its factorization.

70162290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70162290 is about 8376.2933329725. The cubic root of 70162290 is about 412.4467810130.

Adding to 70162290 its reverse (9226107), we get a palindrome (79388397).

The spelling of 70162290 in words is "seventy million, one hundred sixty-two thousand, two hundred ninety".