70217002002 has 128 divisors (see below), whose sum is σ = 167175290880. Its totient is φ = 19246098240.

The previous prime is 70217001979. The next prime is 70217002067. The reversal of 70217002002 is 20020071207.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 70217002002.

It is an unprimeable number.

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, 54388977 + ... + 54390267.

It is an arithmetic number, because the mean of its divisors is an integer number (1306056960).

Almost surely, 2^70217002002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70217002002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83587645440).

70217002002 is an abundant number, since it is smaller than the sum of its proper divisors (96958288878).

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

70217002002 is a wasteful number, since it uses less digits than its factorization.

70217002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 392, while the sum is 21.

Adding to 70217002002 its reverse (20020071207), we get a palindrome (90237073209).

The spelling of 70217002002 in words is "seventy billion, two hundred seventeen million, two thousand, two".