42750307 has 16 divisors (see below), whose sum is σ = 46282752. Its totient is φ = 39387040.

The previous prime is 42750293. The next prime is 42750317. The reversal of 42750307 is 70305724.

It is not a de Polignac number, because 42750307 - 2¹¹ = 42748259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42750317) 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, 76473 + ... + 77029.

It is an arithmetic number, because the mean of its divisors is an integer number (2892672).

Almost surely, 2^42750307 is an apocalyptic number.

42750307 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42750307 is a deficient number, since it is larger than the sum of its proper divisors (3532445).

42750307 is a wasteful number, since it uses less digits than its factorization.

42750307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 42750307 is about 6538.3718921456. The cubic root of 42750307 is about 349.6603698588.

The spelling of 42750307 in words is "forty-two million, seven hundred fifty thousand, three hundred seven".