42380307 has 16 divisors (see below), whose sum is σ = 63411360. Its totient is φ = 27972000.

The previous prime is 42380297. The next prime is 42380321. The reversal of 42380307 is 70308324.

It is not a de Polignac number, because 42380307 - 2⁶ = 42380243 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42385307) 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 15 ways as a sum of consecutive naturals, for example, 5044 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (3963210).

Almost surely, 2^42380307 is an apocalyptic number.

42380307 is a deficient number, since it is larger than the sum of its proper divisors (21031053).

42380307 is a wasteful number, since it uses less digits than its factorization.

42380307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15651 (or 15645 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42380307 is about 6510.0158985981. The cubic root of 42380307 is about 348.6486860290.

The spelling of 42380307 in words is "forty-two million, three hundred eighty thousand, three hundred seven".