42331765 has 16 divisors (see below), whose sum is σ = 58256640. Its totient is φ = 28926720.

The previous prime is 42331763. The next prime is 42331769. The reversal of 42331765 is 56713324.

It is not a de Polignac number, because 42331765 - 2¹ = 42331763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8941 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (3641040).

Almost surely, 2^42331765 is an apocalyptic number.

It is an amenable number.

42331765 is a deficient number, since it is larger than the sum of its proper divisors (15924875).

42331765 is a wasteful number, since it uses less digits than its factorization.

42331765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212.

The product of its digits is 15120, while the sum is 31.

The square root of 42331765 is about 6506.2865753055. The cubic root of 42331765 is about 348.5155222130.

The spelling of 42331765 in words is "forty-two million, three hundred thirty-one thousand, seven hundred sixty-five".