42354347 has 4 divisors (see below), whose sum is σ = 48404976. Its totient is φ = 36303720.

The previous prime is 42354343. The next prime is 42354359. The reversal of 42354347 is 74345324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42354347 - 2² = 42354343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42354343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025304 + ... + 3025317.

It is an arithmetic number, because the mean of its divisors is an integer number (12101244).

Almost surely, 2^42354347 is an apocalyptic number.

42354347 is a deficient number, since it is larger than the sum of its proper divisors (6050629).

42354347 is an equidigital number, since it uses as much as digits as its factorization.

42354347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050628.

The product of its digits is 40320, while the sum is 32.

The square root of 42354347 is about 6508.0217424345. The cubic root of 42354347 is about 348.5774833942.

The spelling of 42354347 in words is "forty-two million, three hundred fifty-four thousand, three hundred forty-seven".