7215008700 has 144 divisors (see below), whose sum is σ = 22485921920. Its totient is φ = 1780289280.

The previous prime is 7215008663. The next prime is 7215008741. The reversal of 7215008700 is 78005127.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 230382 + ... + 259818.

Almost surely, 2^7215008700 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 7215008700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11242960960).

7215008700 is an abundant number, since it is smaller than the sum of its proper divisors (15270913220).

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

7215008700 is a wasteful number, since it uses less digits than its factorization.

7215008700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29516 (or 29509 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 7215008700 is about 84941.2073142359. The cubic root of 7215008700 is about 1932.3195732224.

The spelling of 7215008700 in words is "seven billion, two hundred fifteen million, eight thousand, seven hundred".