42070634 has 8 divisors (see below), whose sum is σ = 65849760. Its totient is φ = 20120716.

The previous prime is 42070607. The next prime is 42070661. The reversal of 42070634 is 43607024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42070607) and next prime (42070661).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457244 + ... + 457335.

It is an arithmetic number, because the mean of its divisors is an integer number (8231220).

Almost surely, 2^42070634 is an apocalyptic number.

42070634 is a deficient number, since it is larger than the sum of its proper divisors (23779126).

42070634 is a wasteful number, since it uses less digits than its factorization.

42070634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914604.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 42070634 is about 6486.1879405395. The cubic root of 42070634 is about 347.7974169933.

Adding to 42070634 its reverse (43607024), we get a palindrome (85677658).

The spelling of 42070634 in words is "forty-two million, seventy thousand, six hundred thirty-four".