32722506 has 24 divisors (see below), whose sum is σ = 71007300. Its totient is φ = 10890816.

The previous prime is 32722499. The next prime is 32722507. The reversal of 32722506 is 60522723.

It can be written as a sum of positive squares in 2 ways, for example, as 31304025 + 1418481 = 5595^2 + 1191^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32722506.

It is not an unprimeable number, because it can be changed into a prime (32722507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18016 + ... + 19748.

Almost surely, 2^32722506 is an apocalyptic number.

32722506 is an abundant number, since it is smaller than the sum of its proper divisors (38284794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32722506 is a wasteful number, since it uses less digits than its factorization.

32722506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 32722506 is about 5720.3589048241. The cubic root of 32722506 is about 319.8518389636.

It can be divided in two parts, 3272 and 2506, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 32722506 in words is "thirty-two million, seven hundred twenty-two thousand, five hundred six".