32457706347 has 24 divisors (see below), whose sum is σ = 47646047680. Its totient is φ = 19639422000.

The previous prime is 32457706343. The next prime is 32457706373. The reversal of 32457706347 is 74360775423.

It is a happy number.

It is not a de Polignac number, because 32457706347 - 2² = 32457706343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32457706296 and 32457706305.

It is not an unprimeable number, because it can be changed into a prime (32457706343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152472 + ... + 296922.

Almost surely, 2^32457706347 is an apocalyptic number.

32457706347 is a deficient number, since it is larger than the sum of its proper divisors (15188341333).

32457706347 is a wasteful number, since it uses less digits than its factorization.

32457706347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145095 (or 145084 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 48.

The spelling of 32457706347 in words is "thirty-two billion, four hundred fifty-seven million, seven hundred six thousand, three hundred forty-seven".