75672222227657 has 4 divisors (see below), whose sum is σ = 82551515157456. Its totient is φ = 68792929297860.

The previous prime is 75672222227549. The next prime is 75672222227683.

75672222227657 is nontrivially palindromic in base 10.

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 75672222227657 - 2²⁴ = 75672205450441 is a prime.

It is a super-2 number, since 2×75672222227657² (a number of 29 digits) contains 22 as substring.

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 75672222227657.

It is not an unprimeable number, because it can be changed into a prime (75672222220657) 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, 3439646464883 + ... + 3439646464904.

It is an arithmetic number, because the mean of its divisors is an integer number (20637878789364).

Almost surely, 2^{75672222227657} is an apocalyptic number.

It is an amenable number.

75672222227657 is a deficient number, since it is larger than the sum of its proper divisors (6879292929799).

75672222227657 is a wasteful number, since it uses less digits than its factorization.

75672222227657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879292929798.

The product of its digits is 138297600, while the sum is 62.

The spelling of 75672222227657 in words is "seventy-five trillion, six hundred seventy-two billion, two hundred twenty-two million, two hundred twenty-seven thousand, six hundred fifty-seven".