42347328 has 28 divisors (see below), whose sum is σ = 112044480. Its totient is φ = 14115712.

The previous prime is 42347299. The next prime is 42347341. The reversal of 42347328 is 82374324.

It is a congruent number.

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, 110088 + ... + 110471.

Almost surely, 2^42347328 is an apocalyptic number.

42347328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42347328 is an abundant number, since it is smaller than the sum of its proper divisors (69697152).

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

42347328 is a wasteful number, since it uses less digits than its factorization.

42347328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220574 (or 220564 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 42347328 is about 6507.4824625196. The cubic root of 42347328 is about 348.5582268071.

The spelling of 42347328 in words is "forty-two million, three hundred forty-seven thousand, three hundred twenty-eight".