42912034 has 24 divisors (see below), whose sum is σ = 71826768. Its totient is φ = 19068840.

The previous prime is 42912031. The next prime is 42912041. The reversal of 42912034 is 43021924.

It is not an unprimeable number, because it can be changed into a prime (42912031) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 48157 + ... + 49039.

It is an arithmetic number, because the mean of its divisors is an integer number (2992782).

Almost surely, 2^42912034 is an apocalyptic number.

42912034 is a deficient number, since it is larger than the sum of its proper divisors (28914734).

42912034 is a wasteful number, since it uses less digits than its factorization.

42912034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 42912034 is about 6550.7277458310. The cubic root of 42912034 is about 350.1007437883.

Adding to 42912034 its reverse (43021924), we get a palindrome (85933958).

The spelling of 42912034 in words is "forty-two million, nine hundred twelve thousand, thirty-four".