73852352409257 has 4 divisors (see below), whose sum is σ = 74391420675156. Its totient is φ = 73313284143360.

The previous prime is 73852352409221. The next prime is 73852352409259. The reversal of 73852352409257 is 75290425325837.

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 15307374551296 + 58544977857961 = 3912464^2 + 7651469^2 .

It is a cyclic number.

It is not a de Polignac number, because 73852352409257 - 2²⁶ = 73852285300393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73852352409257.

It is not an unprimeable number, because it can be changed into a prime (73852352409259) 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, 269534132744 + ... + 269534133017.

It is an arithmetic number, because the mean of its divisors is an integer number (18597855168789).

Almost surely, 2^{73852352409257} is an apocalyptic number.

It is an amenable number.

73852352409257 is a deficient number, since it is larger than the sum of its proper divisors (539068265899).

73852352409257 is a wasteful number, since it uses less digits than its factorization.

73852352409257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539068265898.

The product of its (nonzero) digits is 127008000, while the sum is 62.

The spelling of 73852352409257 in words is "seventy-three trillion, eight hundred fifty-two billion, three hundred fifty-two million, four hundred nine thousand, two hundred fifty-seven".