42342764 has 12 divisors (see below), whose sum is σ = 74427864. Its totient is φ = 21077664.

The previous prime is 42342761. The next prime is 42342799. The reversal of 42342764 is 46724324.

It is a self number, because there is not a number n which added to its sum of digits gives 42342764.

It is not an unprimeable number, because it can be changed into a prime (42342761) 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 3 ways as a sum of consecutive naturals, for example, 22409 + ... + 24224.

It is an arithmetic number, because the mean of its divisors is an integer number (6202322).

Almost surely, 2^42342764 is an apocalyptic number.

It is an amenable number.

42342764 is a deficient number, since it is larger than the sum of its proper divisors (32085100).

42342764 is a wasteful number, since it uses less digits than its factorization.

42342764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46864 (or 46862 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 42342764 is about 6507.1317798243. The cubic root of 42342764 is about 348.5457043570.

The spelling of 42342764 in words is "forty-two million, three hundred forty-two thousand, seven hundred sixty-four".