32140642 has 32 divisors (see below), whose sum is σ = 54295920. Its totient is φ = 14192640.

The previous prime is 32140639. The next prime is 32140649. The reversal of 32140642 is 24604123.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 22648081 + 9492561 = 4759^2 + 3081^2 .

It is not an unprimeable number, because it can be changed into a prime (32140649) 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, 36042 + ... + 36922.

Almost surely, 2^32140642 is an apocalyptic number.

32140642 is a deficient number, since it is larger than the sum of its proper divisors (22155278).

32140642 is a wasteful number, since it uses less digits than its factorization.

32140642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 32140642 is about 5669.2717345352. The cubic root of 32140642 is about 317.9446457716.

Adding to 32140642 its reverse (24604123), we get a palindrome (56744765).

The spelling of 32140642 in words is "thirty-two million, one hundred forty thousand, six hundred forty-two".