70223670 has 96 divisors (see below), whose sum is σ = 201670560. Its totient is φ = 16811520.

The previous prime is 70223663. The next prime is 70223683. The reversal of 70223670 is 7632207.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87712 + ... + 88508.

It is an arithmetic number, because the mean of its divisors is an integer number (2100735).

Almost surely, 2^70223670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70223670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100835280).

70223670 is an abundant number, since it is smaller than the sum of its proper divisors (131446890).

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

70223670 is a wasteful number, since it uses less digits than its factorization.

70223670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70223670 is about 8379.9564438009. The cubic root of 70223670 is about 412.5670194137.

Adding to 70223670 its reverse (7632207), we get a palindrome (77855877).

The spelling of 70223670 in words is "seventy million, two hundred twenty-three thousand, six hundred seventy".