75458285457 has 16 divisors (see below), whose sum is σ = 101350280640. Its totient is φ = 49936017600.

The previous prime is 75458285431. The next prime is 75458285501.

It is a happy number.

75458285457 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-75458285457 is a prime.

It is a super-2 number, since 2×75458285457² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75458285457.

It is not an unprimeable number, because it can be changed into a prime (75458285957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4520707 + ... + 4537367.

It is an arithmetic number, because the mean of its divisors is an integer number (6334392540).

Almost surely, 2^75458285457 is an apocalyptic number.

It is an amenable number.

75458285457 is a deficient number, since it is larger than the sum of its proper divisors (25891995183).

75458285457 is a wasteful number, since it uses less digits than its factorization.

75458285457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27664.

The product of its digits is 62720000, while the sum is 60.

The spelling of 75458285457 in words is "seventy-five billion, four hundred fifty-eight million, two hundred eighty-five thousand, four hundred fifty-seven".