32400073375 has 16 divisors (see below), whose sum is σ = 40852165536. Its totient is φ = 25652832000.

The previous prime is 32400073351. The next prime is 32400073379. The reversal of 32400073375 is 57337000423.

It is not a de Polignac number, because 32400073375 - 2²⁹ = 31863202463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32400073375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32400073379) 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, 1323961 + ... + 1348210.

It is an arithmetic number, because the mean of its divisors is an integer number (2553260346).

Almost surely, 2^32400073375 is an apocalyptic number.

32400073375 is a deficient number, since it is larger than the sum of its proper divisors (8452092161).

32400073375 is an equidigital number, since it uses as much as digits as its factorization.

32400073375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672283 (or 2672273 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 34.

Adding to 32400073375 its reverse (57337000423), we get a palindrome (89737073798).

The spelling of 32400073375 in words is "thirty-two billion, four hundred million, seventy-three thousand, three hundred seventy-five".