75443327704457 has 8 divisors (see below), whose sum is σ = 75782399771232. Its totient is φ = 75104861666400.

The previous prime is 75443327704439. The next prime is 75443327704513. The reversal of 75443327704457 is 75440772334457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75443327704457 - 2⁸ = 75443327704201 is a prime.

It is a super-2 number, since 2×75443327704457² (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 75443327704457.

It is not an unprimeable number, because it can be changed into a prime (75443327706457) 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, 151257644 + ... + 151755597.

It is an arithmetic number, because the mean of its divisors is an integer number (9472799971404).

Almost surely, 2^{75443327704457} is an apocalyptic number.

It is an amenable number.

75443327704457 is a deficient number, since it is larger than the sum of its proper divisors (339072066775).

75443327704457 is a wasteful number, since it uses less digits than its factorization.

75443327704457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303014359.

The product of its (nonzero) digits is 276595200, while the sum is 62.

The spelling of 75443327704457 in words is "seventy-five trillion, four hundred forty-three billion, three hundred twenty-seven million, seven hundred four thousand, four hundred fifty-seven".