42439374 has 12 divisors (see below), whose sum is σ = 91952016. Its totient is φ = 14146452.

The previous prime is 42439307. The next prime is 42439381. The reversal of 42439374 is 47393424.

42439374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42439374² = 3602200931023752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1178854 + ... + 1178889.

It is an arithmetic number, because the mean of its divisors is an integer number (7662668).

Almost surely, 2^42439374 is an apocalyptic number.

42439374 is an abundant number, since it is smaller than the sum of its proper divisors (49512642).

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

42439374 is a wasteful number, since it uses less digits than its factorization.

42439374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357751 (or 2357748 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42439374 is about 6514.5509438487. The cubic root of 42439374 is about 348.8105856897.

The spelling of 42439374 in words is "forty-two million, four hundred thirty-nine thousand, three hundred seventy-four".