42027764 has 24 divisors (see below), whose sum is σ = 74621568. Its totient is φ = 20710080.

The previous prime is 42027761. The next prime is 42027767. The reversal of 42027764 is 46772024.

It is an interprime number because it is at equal distance from previous prime (42027761) and next prime (42027767).

It is a self number, because there is not a number n which added to its sum of digits gives 42027764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42027761) 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 7 ways as a sum of consecutive naturals, for example, 148367 + ... + 148649.

It is an arithmetic number, because the mean of its divisors is an integer number (3109232).

Almost surely, 2^42027764 is an apocalyptic number.

It is an amenable number.

42027764 is a deficient number, since it is larger than the sum of its proper divisors (32593804).

42027764 is a wasteful number, since it uses less digits than its factorization.

42027764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 42027764 is about 6482.8823836315. The cubic root of 42027764 is about 347.6792415887.

Adding to 42027764 its reverse (46772024), we get a palindrome (88799788).

The spelling of 42027764 in words is "forty-two million, twenty-seven thousand, seven hundred sixty-four".