42765975 has 90 divisors (see below), whose sum is σ = 92364624. Its totient is φ = 19504800.

The previous prime is 42765971. The next prime is 42765977. The reversal of 42765975 is 57956724.

42765975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42765975 - 2² = 42765971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42765975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42765971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 99010 + ... + 99440.

Almost surely, 2^42765975 is an apocalyptic number.

42765975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42765975 is an abundant number, since it is smaller than the sum of its proper divisors (49598649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42765975 is a wasteful number, since it uses less digits than its factorization.

42765975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 446 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 42765975 is about 6539.5699399884. The cubic root of 42765975 is about 349.7030815172.

The spelling of 42765975 in words is "forty-two million, seven hundred sixty-five thousand, nine hundred seventy-five".