67321012375 has 32 divisors (see below), whose sum is σ = 84683476800. Its totient is φ = 53430249600.

The previous prime is 67321012373. The next prime is 67321012457. The reversal of 67321012375 is 57321012376.

67321012375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67321012375 - 2¹ = 67321012373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67321012373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20355472 + ... + 20358778.

It is an arithmetic number, because the mean of its divisors is an integer number (2646358650).

Almost surely, 2^67321012375 is an apocalyptic number.

67321012375 is a deficient number, since it is larger than the sum of its proper divisors (17362464425).

67321012375 is a wasteful number, since it uses less digits than its factorization.

67321012375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

Subtracting from 67321012375 its reverse (57321012376), we obtain a palindrome (9999999999).

The spelling of 67321012375 in words is "sixty-seven billion, three hundred twenty-one million, twelve thousand, three hundred seventy-five".