42377539 has 4 divisors (see below), whose sum is σ = 42394024. Its totient is φ = 42361056.

The previous prime is 42377521. The next prime is 42377551. The reversal of 42377539 is 93577324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42377539 - 2⁵ = 42377507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42377509) 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, 3462 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (10598506).

Almost surely, 2^42377539 is an apocalyptic number.

42377539 is a deficient number, since it is larger than the sum of its proper divisors (16485).

42377539 is a wasteful number, since it uses less digits than its factorization.

42377539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16484.

The product of its digits is 158760, while the sum is 40.

The square root of 42377539 is about 6509.8032996397. The cubic root of 42377539 is about 348.6410953920.

The spelling of 42377539 in words is "forty-two million, three hundred seventy-seven thousand, five hundred thirty-nine".