75394668031 has 8 divisors (see below), whose sum is σ = 79653942720. Its totient is φ = 71246023968.

The previous prime is 75394668023. The next prime is 75394668049. The reversal of 75394668031 is 13086649357.

It is a happy number.

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 75394668031 - 2³ = 75394668023 is a prime.

It is a super-2 number, since 2×75394668031² (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 75394668031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75394668001) 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, 27656256 + ... + 27658981.

It is an arithmetic number, because the mean of its divisors is an integer number (9956742840).

Almost surely, 2^75394668031 is an apocalyptic number.

75394668031 is a deficient number, since it is larger than the sum of its proper divisors (4259274689).

75394668031 is a wasteful number, since it uses less digits than its factorization.

75394668031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55315313.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 75394668031 in words is "seventy-five billion, three hundred ninety-four million, six hundred sixty-eight thousand, thirty-one".