42005377 has 8 divisors (see below), whose sum is σ = 42725376. Its totient is φ = 41291712.

The previous prime is 42005347. The next prime is 42005389. The reversal of 42005377 is 77350024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42005377 - 2¹¹ = 42003329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42005347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12888 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (5340672).

Almost surely, 2^42005377 is an apocalyptic number.

It is an amenable number.

42005377 is a deficient number, since it is larger than the sum of its proper divisors (719999).

42005377 is a wasteful number, since it uses less digits than its factorization.

42005377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 42005377 is about 6481.1555296876. The cubic root of 42005377 is about 347.6174976614.

The spelling of 42005377 in words is "forty-two million, five thousand, three hundred seventy-seven".