72210330771050 has 96 divisors (see below), whose sum is σ = 135795519802800. Its totient is φ = 28566087925760.

The previous prime is 72210330770917. The next prime is 72210330771077. The reversal of 72210330771050 is 5017703301227.

It can be written as a sum of positive squares in 24 ways, for example, as 2403085935721 + 69807244835329 = 1550189^2 + 8355073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72210330770995 and 72210330771013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13788489032 + ... + 13788494268.

Almost surely, 2^{72210330771050} is an apocalyptic number.

72210330771050 is a deficient number, since it is larger than the sum of its proper divisors (63585189031750).

72210330771050 is a wasteful number, since it uses less digits than its factorization.

72210330771050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220 (or 10215 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 72210330771050 in words is "seventy-two trillion, two hundred ten billion, three hundred thirty million, seven hundred seventy-one thousand, fifty".