32420870 has 16 divisors (see below), whose sum is σ = 61790688. Its totient is φ = 12205440.

The previous prime is 32420867. The next prime is 32420891. The reversal of 32420870 is 7802423.

It is a super-2 number, since 2×32420870² = 2102225623113800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95186 + ... + 95525.

It is an arithmetic number, because the mean of its divisors is an integer number (3861918).

Almost surely, 2^32420870 is an apocalyptic number.

32420870 is a deficient number, since it is larger than the sum of its proper divisors (29369818).

32420870 is a wasteful number, since it uses less digits than its factorization.

32420870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190735.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 32420870 is about 5693.9327358163. The cubic root of 32420870 is about 318.8660057061.

The spelling of 32420870 in words is "thirty-two million, four hundred twenty thousand, eight hundred seventy".