42307849 has 8 divisors (see below), whose sum is σ = 45750528. Its totient is φ = 38971200.

The previous prime is 42307843. The next prime is 42307871. The reversal of 42307849 is 94870324.

It is a happy number.

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 42307849 - 2⁵ = 42307817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42307843) 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, 25677 + ... + 27274.

It is an arithmetic number, because the mean of its divisors is an integer number (5718816).

Almost surely, 2^42307849 is an apocalyptic number.

It is an amenable number.

42307849 is a deficient number, since it is larger than the sum of its proper divisors (3442679).

42307849 is a wasteful number, since it uses less digits than its factorization.

42307849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53015.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 42307849 is about 6504.4484009023. The cubic root of 42307849 is about 348.4498767306.

The spelling of 42307849 in words is "forty-two million, three hundred seven thousand, eight hundred forty-nine".