75350431220170 has 16 divisors (see below), whose sum is σ = 140307699513960. Its totient is φ = 29100856195264.

The previous prime is 75350431220159. The next prime is 75350431220171. The reversal of 75350431220170 is 7102213405357.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70851158139969 + 4499273080201 = 8417313^2 + 2121149^2 .

It is not an unprimeable number, because it can be changed into a prime (75350431220171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129914536297 + ... + 129914536876.

Almost surely, 2^{75350431220170} is an apocalyptic number.

75350431220170 is a deficient number, since it is larger than the sum of its proper divisors (64957268293790).

75350431220170 is a wasteful number, since it uses less digits than its factorization.

75350431220170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259829073209.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 75350431220170 in words is "seventy-five trillion, three hundred fifty billion, four hundred thirty-one million, two hundred twenty thousand, one hundred seventy".