7210761138 has 48 divisors (see below), whose sum is σ = 18431202816. Its totient is φ = 1993757760.

The previous prime is 7210761127. The next prime is 7210761163. The reversal of 7210761138 is 8311670127.

7210761138 is a `hidden beast` number, since 7 + 2 + 1 + 0 + 7 + 611 + 38 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919131 + ... + 926942.

It is an arithmetic number, because the mean of its divisors is an integer number (383983392).

Almost surely, 2^7210761138 is an apocalyptic number.

7210761138 is an abundant number, since it is smaller than the sum of its proper divisors (11220441678).

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

7210761138 is a wasteful number, since it uses less digits than its factorization.

7210761138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846119 (or 1846116 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 7210761138 is about 84916.2006804355. The cubic root of 7210761138 is about 1931.9403055640.

The spelling of 7210761138 in words is "seven billion, two hundred ten million, seven hundred sixty-one thousand, one hundred thirty-eight".