32745532745 has 32 divisors (see below), whose sum is σ = 41312954880. Its totient is φ = 24868856320.

The previous prime is 32745532741. The next prime is 32745532747. The reversal of 32745532745 is 54723554723.

It is not a de Polignac number, because 32745532745 - 2² = 32745532741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32745532745.

It is not an unprimeable number, because it can be changed into a prime (32745532741) 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, 8690852 + ... + 8694618.

It is an arithmetic number, because the mean of its divisors is an integer number (1291029840).

Almost surely, 2^32745532745 is an apocalyptic number.

It is an amenable number.

32745532745 is a deficient number, since it is larger than the sum of its proper divisors (8567422135).

32745532745 is a wasteful number, since it uses less digits than its factorization.

32745532745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its digits is 3528000, while the sum is 47.

The spelling of 32745532745 in words is "thirty-two billion, seven hundred forty-five million, five hundred thirty-two thousand, seven hundred forty-five".