10721973762 has 24 divisors (see below), whose sum is σ = 23253129900. Its totient is φ = 3570577920.

The previous prime is 10721973709. The next prime is 10721973827. The reversal of 10721973762 is 26737912701.

It can be written as a sum of positive squares in 2 ways, for example, as 10059889401 + 662084361 = 100299^2 + 25731^2 .

It is a super-2 number, since 2×10721973762² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265039 + ... + 302802.

Almost surely, 2^10721973762 is an apocalyptic number.

10721973762 is an abundant number, since it is smaller than the sum of its proper divisors (12531156138).

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

10721973762 is a wasteful number, since it uses less digits than its factorization.

10721973762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568898 (or 568895 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 10721973762 in words is "ten billion, seven hundred twenty-one million, nine hundred seventy-three thousand, seven hundred sixty-two".