32007945 has 16 divisors (see below), whose sum is σ = 51916032. Its totient is φ = 16836480.

The previous prime is 32007917. The next prime is 32007949. The reversal of 32007945 is 54970023.

It is not a de Polignac number, because 32007945 - 2⁷ = 32007817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32007949) 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, 13521 + ... + 15710.

It is an arithmetic number, because the mean of its divisors is an integer number (3244752).

Almost surely, 2^32007945 is an apocalyptic number.

It is an amenable number.

32007945 is a deficient number, since it is larger than the sum of its proper divisors (19908087).

32007945 is a wasteful number, since it uses less digits than its factorization.

32007945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29312.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 32007945 is about 5657.5564513313. The cubic root of 32007945 is about 317.5064830139.

Adding to 32007945 its reverse (54970023), we get a palindrome (86977968).

The spelling of 32007945 in words is "thirty-two million, seven thousand, nine hundred forty-five".