42673646 has 8 divisors (see below), whose sum is σ = 64364664. Its totient is φ = 21218760.

The previous prime is 42673619. The next prime is 42673649. The reversal of 42673646 is 64637624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42673649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58580 + ... + 59303.

It is an arithmetic number, because the mean of its divisors is an integer number (8045583).

Almost surely, 2^42673646 is an apocalyptic number.

42673646 is a deficient number, since it is larger than the sum of its proper divisors (21691018).

42673646 is a wasteful number, since it uses less digits than its factorization.

42673646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118066.

The product of its digits is 145152, while the sum is 38.

The square root of 42673646 is about 6532.5068694950. The cubic root of 42673646 is about 349.4512380096.

The spelling of 42673646 in words is "forty-two million, six hundred seventy-three thousand, six hundred forty-six".