32872645 has 32 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 22471680.

The previous prime is 32872643. The next prime is 32872657. The reversal of 32872645 is 54627823.

It is not a de Polignac number, because 32872645 - 2¹ = 32872643 is a prime.

It is a super-2 number, since 2×32872645² = 2161221578592050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32872643) 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, 78246 + ... + 78664.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^32872645 is an apocalyptic number.

It is an amenable number.

32872645 is a deficient number, since it is larger than the sum of its proper divisors (12850235).

32872645 is a wasteful number, since it uses less digits than its factorization.

32872645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its digits is 80640, while the sum is 37.

The square root of 32872645 is about 5733.4671011527. The cubic root of 32872645 is about 320.3402793040.

The spelling of 32872645 in words is "thirty-two million, eight hundred seventy-two thousand, six hundred forty-five".