42634765 has 24 divisors (see below), whose sum is σ = 55766880. Its totient is φ = 31203360.

The previous prime is 42634751. The next prime is 42634771. The reversal of 42634765 is 56743624.

It is not a de Polignac number, because 42634765 - 2⁷ = 42634637 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 91062 + ... + 91528.

It is an arithmetic number, because the mean of its divisors is an integer number (2323620).

Almost surely, 2^42634765 is an apocalyptic number.

It is an amenable number.

42634765 is a deficient number, since it is larger than the sum of its proper divisors (13132115).

42634765 is a wasteful number, since it uses less digits than its factorization.

42634765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 522 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 42634765 is about 6529.5302281251. The cubic root of 42634765 is about 349.3450745775.

The spelling of 42634765 in words is "forty-two million, six hundred thirty-four thousand, seven hundred sixty-five".