42678474 has 16 divisors (see below), whose sum is σ = 85792608. Its totient is φ = 14153552.

The previous prime is 42678473. The next prime is 42678479. The reversal of 42678474 is 47487624.

It is not an unprimeable number, because it can be changed into a prime (42678473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16872 + ... + 19235.

It is an arithmetic number, because the mean of its divisors is an integer number (5362038).

Almost surely, 2^42678474 is an apocalyptic number.

42678474 is an abundant number, since it is smaller than the sum of its proper divisors (43114134).

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

42678474 is a wasteful number, since it uses less digits than its factorization.

42678474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36309.

The product of its digits is 301056, while the sum is 42.

The square root of 42678474 is about 6532.8763955856. The cubic root of 42678474 is about 349.4644162208.

The spelling of 42678474 in words is "forty-two million, six hundred seventy-eight thousand, four hundred seventy-four".