32872945 has 16 divisors (see below), whose sum is σ = 47456640. Its totient is φ = 21354624.

The previous prime is 32872933. The next prime is 32872949. The reversal of 32872945 is 54927823.

It is a cyclic number.

It is not a de Polignac number, because 32872945 - 2⁵ = 32872913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32872898 and 32872907.

It is not an unprimeable number, because it can be changed into a prime (32872949) 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, 24052 + ... + 25381.

It is an arithmetic number, because the mean of its divisors is an integer number (2966040).

Almost surely, 2^32872945 is an apocalyptic number.

32872945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32872945 is a deficient number, since it is larger than the sum of its proper divisors (14583695).

32872945 is a wasteful number, since it uses less digits than its factorization.

32872945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49464.

The product of its digits is 120960, while the sum is 40.

The square root of 32872945 is about 5733.4932632733. The cubic root of 32872945 is about 320.3412537900.

The spelling of 32872945 in words is "thirty-two million, eight hundred seventy-two thousand, nine hundred forty-five".