42347937 has 8 divisors (see below), whose sum is σ = 56646720. Its totient is φ = 28140560.

The previous prime is 42347897. The next prime is 42347951. The reversal of 42347937 is 73974324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42347937 - 2⁶ = 42347873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42347895 and 42347904.

It is not an unprimeable number, because it can be changed into a prime (42343937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21762 + ... + 23627.

It is an arithmetic number, because the mean of its divisors is an integer number (7080840).

Almost surely, 2^42347937 is an apocalyptic number.

It is an amenable number.

42347937 is a deficient number, since it is larger than the sum of its proper divisors (14298783).

42347937 is a wasteful number, since it uses less digits than its factorization.

42347937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45703.

The product of its digits is 127008, while the sum is 39.

The square root of 42347937 is about 6507.5292546404. The cubic root of 42347937 is about 348.5598976794.

The spelling of 42347937 in words is "forty-two million, three hundred forty-seven thousand, nine hundred thirty-seven".