32378563 has 6 divisors (see below), whose sum is σ = 37664916. Its totient is φ = 27753012.

The previous prime is 32378543. The next prime is 32378573. The reversal of 32378563 is 36587323.

It is not a de Polignac number, because 32378563 - 2⁵ = 32378531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32378513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330345 + ... + 330442.

It is an arithmetic number, because the mean of its divisors is an integer number (6277486).

Almost surely, 2^32378563 is an apocalyptic number.

32378563 is a deficient number, since it is larger than the sum of its proper divisors (5286353).

32378563 is an equidigital number, since it uses as much as digits as its factorization.

32378563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660801 (or 660794 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 32378563 is about 5690.2164282213. The cubic root of 32378563 is about 318.7272459472.

The spelling of 32378563 in words is "thirty-two million, three hundred seventy-eight thousand, five hundred sixty-three".