42339377 has 4 divisors (see below), whose sum is σ = 42971376. Its totient is φ = 41707380.

The previous prime is 42339373. The next prime is 42339419. The reversal of 42339377 is 77393324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42339377 - 2² = 42339373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42339377.

It is not an unprimeable number, because it can be changed into a prime (42339373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315899 + ... + 316032.

It is an arithmetic number, because the mean of its divisors is an integer number (10742844).

Almost surely, 2^42339377 is an apocalyptic number.

It is an amenable number.

42339377 is a deficient number, since it is larger than the sum of its proper divisors (631999).

42339377 is an equidigital number, since it uses as much as digits as its factorization.

42339377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631998.

The product of its digits is 95256, while the sum is 38.

The square root of 42339377 is about 6506.8715217069. The cubic root of 42339377 is about 348.5364107126.

The spelling of 42339377 in words is "forty-two million, three hundred thirty-nine thousand, three hundred seventy-seven".