73861881038170 has 16 divisors (see below), whose sum is σ = 134171123355720. Its totient is φ = 29273699640384.

The previous prime is 73861881038149. The next prime is 73861881038221. The reversal of 73861881038170 is 7183018816837.

It can be written as a sum of positive squares in 4 ways, for example, as 61092529101241 + 12769351936929 = 7816171^2 + 3573423^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73861881038099 and 73861881038108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33881595717 + ... + 33881597896.

Almost surely, 2^{73861881038170} is an apocalyptic number.

73861881038170 is a deficient number, since it is larger than the sum of its proper divisors (60309242317550).

73861881038170 is a wasteful number, since it uses less digits than its factorization.

73861881038170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67763193729.

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 73861881038170 in words is "seventy-three trillion, eight hundred sixty-one billion, eight hundred eighty-one million, thirty-eight thousand, one hundred seventy".