105072173684774 has 16 divisors (see below), whose sum is σ = 159007782700512. Its totient is φ = 52069607280768.

The previous prime is 105072173684761. The next prime is 105072173684957. The reversal of 105072173684774 is 477486371270501.

It is a happy number.

It is a super-2 number, since 2×105072173684774² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628847 + ... + 14509989.

It is an arithmetic number, because the mean of its divisors is an integer number (9937986418782).

Almost surely, 2^{105072173684774} is an apocalyptic number.

105072173684774 is a deficient number, since it is larger than the sum of its proper divisors (53935609015738).

105072173684774 is a wasteful number, since it uses less digits than its factorization.

105072173684774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13914751.

The product of its (nonzero) digits is 55319040, while the sum is 62.

The spelling of 105072173684774 in words is "one hundred five trillion, seventy-two billion, one hundred seventy-three million, six hundred eighty-four thousand, seven hundred seventy-four".