32142668 has 6 divisors (see below), whose sum is σ = 56249676. Its totient is φ = 16071332.

The previous prime is 32142667. The next prime is 32142697. The reversal of 32142668 is 86624123.

It is a super-2 number, since 2×32142668² = 2066302212316448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32142667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017830 + ... + 4017837.

It is an arithmetic number, because the mean of its divisors is an integer number (9374946).

Almost surely, 2^32142668 is an apocalyptic number.

It is an amenable number.

32142668 is a deficient number, since it is larger than the sum of its proper divisors (24107008).

32142668 is a wasteful number, since it uses less digits than its factorization.

32142668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035671 (or 8035669 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 32142668 is about 5669.4504142818. The cubic root of 32142668 is about 317.9513262264.

The spelling of 32142668 in words is "thirty-two million, one hundred forty-two thousand, six hundred sixty-eight".