75236744117057 has 4 divisors (see below), whose sum is σ = 76189107966720. Its totient is φ = 74284380267396.

The previous prime is 75236744117047. The next prime is 75236744117149. The reversal of 75236744117057 is 75071144763257.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75236744117057 - 2¹⁰ = 75236744116033 is a prime.

It is a super-2 number, since 2×75236744117057² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75236744116987 and 75236744117005.

It is not an unprimeable number, because it can be changed into a prime (75236744117027) 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, 476181924713 + ... + 476181924870.

It is an arithmetic number, because the mean of its divisors is an integer number (19047276991680).

Almost surely, 2^{75236744117057} is an apocalyptic number.

It is an amenable number.

75236744117057 is a deficient number, since it is larger than the sum of its proper divisors (952363849663).

75236744117057 is an equidigital number, since it uses as much as digits as its factorization.

75236744117057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952363849662.

The product of its (nonzero) digits is 34574400, while the sum is 59.

The spelling of 75236744117057 in words is "seventy-five trillion, two hundred thirty-six billion, seven hundred forty-four million, one hundred seventeen thousand, fifty-seven".