4215020706 has 64 divisors (see below), whose sum is σ = 10208903040. Its totient is φ = 1281286080.

The previous prime is 4215020659. The next prime is 4215020707. The reversal of 4215020706 is 6070205124.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4215020706.

It is not an unprimeable number, because it can be changed into a prime (4215020707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22096 + ... + 94436.

It is an arithmetic number, because the mean of its divisors is an integer number (159514110).

Almost surely, 2^4215020706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4215020706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5104451520).

4215020706 is an abundant number, since it is smaller than the sum of its proper divisors (5993882334).

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

4215020706 is a wasteful number, since it uses less digits than its factorization.

4215020706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72448 (or 72442 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 4215020706 is about 64923.1908180736. The cubic root of 4215020706 is about 1615.3497574362.

The spelling of 4215020706 in words is "four billion, two hundred fifteen million, twenty thousand, seven hundred six".