105726220772 has 12 divisors (see below), whose sum is σ = 185067790320. Its totient is φ = 52849709256.

The previous prime is 105726220763. The next prime is 105726220877. The reversal of 105726220772 is 277022627501.

It is a super-2 number, since 2×105726220772² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3332522 + ... + 3364097.

It is an arithmetic number, because the mean of its divisors is an integer number (15422315860).

Almost surely, 2^105726220772 is an apocalyptic number.

It is an amenable number.

105726220772 is a deficient number, since it is larger than the sum of its proper divisors (79341569548).

105726220772 is a wasteful number, since it uses less digits than its factorization.

105726220772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700570 (or 6700568 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 105726220772 in words is "one hundred five billion, seven hundred twenty-six million, two hundred twenty thousand, seven hundred seventy-two".