42236347 has 4 divisors (see below), whose sum is σ = 44720856. Its totient is φ = 39751840.

The previous prime is 42236317. The next prime is 42236371. The reversal of 42236347 is 74363224.

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 42236347 - 2⁷ = 42236219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42236317) 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, 1242229 + ... + 1242262.

It is an arithmetic number, because the mean of its divisors is an integer number (11180214).

Almost surely, 2^42236347 is an apocalyptic number.

42236347 is a deficient number, since it is larger than the sum of its proper divisors (2484509).

42236347 is a wasteful number, since it uses less digits than its factorization.

42236347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484508.

The product of its digits is 24192, while the sum is 31.

The square root of 42236347 is about 6498.9496843721. The cubic root of 42236347 is about 348.2534678484.

The spelling of 42236347 in words is "forty-two million, two hundred thirty-six thousand, three hundred forty-seven".