75574655667172 has 6 divisors (see below), whose sum is σ = 132255647417558. Its totient is φ = 37787327833584.

The previous prime is 75574655666941. The next prime is 75574655667187. The reversal of 75574655667172 is 27176655647557.

It can be written as a sum of positive squares in only one way, i.e., 73466566557696 + 2108089109476 = 8571264^2 + 1451926^2 .

It is a super-2 number, since 2×75574655667172² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75574655667095 and 75574655667104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9446831958393 + ... + 9446831958400.

Almost surely, 2^{75574655667172} is an apocalyptic number.

It is an amenable number.

75574655667172 is a deficient number, since it is larger than the sum of its proper divisors (56680991750386).

75574655667172 is a wasteful number, since it uses less digits than its factorization.

75574655667172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18893663916797 (or 18893663916795 counting only the distinct ones).

The product of its digits is 2593080000, while the sum is 73.

The spelling of 75574655667172 in words is "seventy-five trillion, five hundred seventy-four billion, six hundred fifty-five million, six hundred sixty-seven thousand, one hundred seventy-two".