42675642 has 24 divisors (see below), whose sum is σ = 93637440. Its totient is φ = 14044680.

The previous prime is 42675613. The next prime is 42675667. The reversal of 42675642 is 24657624.

42675642 is a `hidden beast` number, since 4 + 2 + 6 + 7 + 5 + 642 = 666.

It is a super-2 number, since 2×42675642² = 3642420840224328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42675597 and 42675606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13584 + ... + 16427.

It is an arithmetic number, because the mean of its divisors is an integer number (3901560).

Almost surely, 2^42675642 is an apocalyptic number.

42675642 is an abundant number, since it is smaller than the sum of its proper divisors (50961798).

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

42675642 is a wasteful number, since it uses less digits than its factorization.

42675642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30098 (or 30095 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42675642 is about 6532.6596421366. The cubic root of 42675642 is about 349.4566862887.

It can be divided in two parts, 42 and 675642, that added together give a square (675684 = 822²).

The spelling of 42675642 in words is "forty-two million, six hundred seventy-five thousand, six hundred forty-two".