75415488068 has 12 divisors (see below), whose sum is σ = 135196058172. Its totient is φ = 36788042880.

The previous prime is 75415488067. The next prime is 75415488073. The reversal of 75415488068 is 86088451457.

It can be written as a sum of positive squares in 2 ways, for example, as 21583135744 + 53832352324 = 146912^2 + 232018^2 .

It is not an unprimeable number, because it can be changed into a prime (75415488067) 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, 229925105 + ... + 229925432.

It is an arithmetic number, because the mean of its divisors is an integer number (11266338181).

Almost surely, 2^75415488068 is an apocalyptic number.

It is an amenable number.

75415488068 is a deficient number, since it is larger than the sum of its proper divisors (59780570104).

75415488068 is a wasteful number, since it uses less digits than its factorization.

75415488068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459850582 (or 459850580 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 75415488068 in words is "seventy-five billion, four hundred fifteen million, four hundred eighty-eight thousand, sixty-eight".