7215008730 has 32 divisors (see below), whose sum is σ = 17487474048. Its totient is φ = 1904952000.

The previous prime is 7215008663. The next prime is 7215008741. The reversal of 7215008730 is 378005127.

It is a junction number, because it is equal to n+sod(n) for n = 7215008691 and 7215008700.

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 15 ways as a sum of consecutive naturals, for example, 1187566 + ... + 1193625.

It is an arithmetic number, because the mean of its divisors is an integer number (546483564).

Almost surely, 2^7215008730 is an apocalyptic number.

7215008730 is an abundant number, since it is smaller than the sum of its proper divisors (10272465318).

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

7215008730 is a wasteful number, since it uses less digits than its factorization.

7215008730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381302.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 7215008730 is about 84941.2074908286. The cubic root of 7215008730 is about 1932.3195759006.

The spelling of 7215008730 in words is "seven billion, two hundred fifteen million, eight thousand, seven hundred thirty".