70022512 has 40 divisors (see below), whose sum is σ = 156525696. Its totient is φ = 29724096.

The previous prime is 70022509. The next prime is 70022531. The reversal of 70022512 is 21522007.

It is a self number, because there is not a number n which added to its sum of digits gives 70022512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9063 + ... + 14905.

Almost surely, 2^70022512 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 70022512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78262848).

70022512 is an abundant number, since it is smaller than the sum of its proper divisors (86503184).

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

70022512 is a wasteful number, since it uses less digits than its factorization.

70022512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965 (or 5959 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70022512 is about 8367.9455065147. The cubic root of 70022512 is about 412.1727054240.

Adding to 70022512 its reverse (21522007), we get a palindrome (91544519).

The spelling of 70022512 in words is "seventy million, twenty-two thousand, five hundred twelve".