75747945458 has 32 divisors (see below), whose sum is σ = 117780134400. Its totient is φ = 36515793600.

The previous prime is 75747945457. The next prime is 75747945463. The reversal of 75747945458 is 85454974757.

It is a super-2 number, since 2×75747945458² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75747945394 and 75747945403.

It is not an unprimeable number, because it can be changed into a prime (75747945457) 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, 1869260 + ... + 1909352.

It is an arithmetic number, because the mean of its divisors is an integer number (3680629200).

Almost surely, 2^75747945458 is an apocalyptic number.

75747945458 is a deficient number, since it is larger than the sum of its proper divisors (42032188942).

75747945458 is a wasteful number, since it uses less digits than its factorization.

75747945458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40442.

The product of its digits is 197568000, while the sum is 65.

The spelling of 75747945458 in words is "seventy-five billion, seven hundred forty-seven million, nine hundred forty-five thousand, four hundred fifty-eight".