32529940 has 12 divisors (see below), whose sum is σ = 68312916. Its totient is φ = 13011968.

The previous prime is 32529911. The next prime is 32529947. The reversal of 32529940 is 4992523.

It can be written as a sum of positive squares in 2 ways, for example, as 19483396 + 13046544 = 4414^2 + 3612^2 .

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 32529896 and 32529905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32529947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813229 + ... + 813268.

It is an arithmetic number, because the mean of its divisors is an integer number (5692743).

Almost surely, 2^32529940 is an apocalyptic number.

It is an amenable number.

32529940 is an abundant number, since it is smaller than the sum of its proper divisors (35782976).

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

32529940 is a wasteful number, since it uses less digits than its factorization.

32529940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626506 (or 1626504 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 32529940 is about 5703.5024327162. The cubic root of 32529940 is about 319.2231808552.

The spelling of 32529940 in words is "thirty-two million, five hundred twenty-nine thousand, nine hundred forty".