75375400357 has 4 divisors (see below), whose sum is σ = 75487400140. Its totient is φ = 75263400576.

The previous prime is 75375400339. The next prime is 75375400391. The reversal of 75375400357 is 75300457357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47092906081 + 28282494276 = 217009^2 + 168174^2 .

It is a cyclic number.

It is not a de Polignac number, because 75375400357 - 2⁷ = 75375400229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75375400307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55998882 + ... + 56000227.

It is an arithmetic number, because the mean of its divisors is an integer number (18871850035).

Almost surely, 2^75375400357 is an apocalyptic number.

It is an amenable number.

75375400357 is a deficient number, since it is larger than the sum of its proper divisors (111999783).

75375400357 is a wasteful number, since it uses less digits than its factorization.

75375400357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111999782.

The product of its (nonzero) digits is 1543500, while the sum is 46.

The spelling of 75375400357 in words is "seventy-five billion, three hundred seventy-five million, four hundred thousand, three hundred fifty-seven".