42765507 has 6 divisors (see below), whose sum is σ = 61772412. Its totient is φ = 28510332.

The previous prime is 42765491. The next prime is 42765511. The reversal of 42765507 is 70556724.

It is not a de Polignac number, because 42765507 - 2⁴ = 42765491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42765577) 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 5 ways as a sum of consecutive naturals, for example, 2375853 + ... + 2375870.

It is an arithmetic number, because the mean of its divisors is an integer number (10295402).

Almost surely, 2^42765507 is an apocalyptic number.

42765507 is a deficient number, since it is larger than the sum of its proper divisors (19006905).

42765507 is a wasteful number, since it uses less digits than its factorization.

42765507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751729 (or 4751726 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 42765507 is about 6539.5341577210. The cubic root of 42765507 is about 349.7018058797.

The spelling of 42765507 in words is "forty-two million, seven hundred sixty-five thousand, five hundred seven".