32420642 has 4 divisors (see below), whose sum is σ = 48630966. Its totient is φ = 16210320.

The previous prime is 32420629. The next prime is 32420651. The reversal of 32420642 is 24602423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21799561 + 10621081 = 4669^2 + 3259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8105159 + ... + 8105162.

Almost surely, 2^32420642 is an apocalyptic number.

32420642 is a deficient number, since it is larger than the sum of its proper divisors (16210324).

32420642 is a wasteful number, since it uses less digits than its factorization.

32420642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16210323.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 32420642 is about 5693.9127144697. The cubic root of 32420642 is about 318.8652582285.

The spelling of 32420642 in words is "thirty-two million, four hundred twenty thousand, six hundred forty-two".