42670634 has 8 divisors (see below), whose sum is σ = 64627680. Its totient is φ = 21128076.

The previous prime is 42670619. The next prime is 42670651. The reversal of 42670634 is 43607624.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42670634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103364 + ... + 103775.

It is an arithmetic number, because the mean of its divisors is an integer number (8078460).

Almost surely, 2^42670634 is an apocalyptic number.

42670634 is a deficient number, since it is larger than the sum of its proper divisors (21957046).

42670634 is a wasteful number, since it uses less digits than its factorization.

42670634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207244.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 42670634 is about 6532.2763260597. The cubic root of 42670634 is about 349.4430161366.

The spelling of 42670634 in words is "forty-two million, six hundred seventy thousand, six hundred thirty-four".