32078645 has 16 divisors (see below), whose sum is σ = 40668672. Its totient is φ = 24252480.

The previous prime is 32078639. The next prime is 32078647. The reversal of 32078645 is 54687023.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-32078645 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32078647) 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, 4259 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (2541792).

Almost surely, 2^32078645 is an apocalyptic number.

It is an amenable number.

32078645 is a deficient number, since it is larger than the sum of its proper divisors (8590027).

32078645 is a wasteful number, since it uses less digits than its factorization.

32078645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 32078645 is about 5663.8012853560. The cubic root of 32078645 is about 317.7400833581.

It can be divided in two parts, 32078 and 645, that added together give a palindrome (32723).

The spelling of 32078645 in words is "thirty-two million, seventy-eight thousand, six hundred forty-five".