75438345810 has 16 divisors (see below), whose sum is σ = 181052030016. Its totient is φ = 20116892208.

The previous prime is 75438345803. The next prime is 75438345811. The reversal of 75438345810 is 1854383457.

It is a super-2 number, since 2×75438345810² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75438345810.

It is not an unprimeable number, because it can be changed into a prime (75438345811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257305734 + ... + 1257305793.

It is an arithmetic number, because the mean of its divisors is an integer number (11315751876).

Almost surely, 2^75438345810 is an apocalyptic number.

75438345810 is an abundant number, since it is smaller than the sum of its proper divisors (105613684206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75438345810 is a wasteful number, since it uses less digits than its factorization.

75438345810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514611537.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 75438345810 in words is "seventy-five billion, four hundred thirty-eight million, three hundred forty-five thousand, eight hundred ten".