42329478 has 16 divisors (see below), whose sum is σ = 84967920. Its totient is φ = 14058336.

The previous prime is 42329449. The next prime is 42329479. The reversal of 42329478 is 87492324.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42329479) 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, 11073 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (5310495).

Almost surely, 2^42329478 is an apocalyptic number.

42329478 is an abundant number, since it is smaller than the sum of its proper divisors (42638442).

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

42329478 is a wasteful number, since it uses less digits than its factorization.

42329478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25751.

The product of its digits is 96768, while the sum is 39.

The square root of 42329478 is about 6506.1108198370. The cubic root of 42329478 is about 348.5092458439.

The spelling of 42329478 in words is "forty-two million, three hundred twenty-nine thousand, four hundred seventy-eight".