42345377 has 4 divisors (see below), whose sum is σ = 42650160. Its totient is φ = 42040596.

The previous prime is 42345341. The next prime is 42345389. The reversal of 42345377 is 77354324.

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 a de Polignac number, because none of the positive numbers 2^k-42345377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42345337) 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, 152183 + ... + 152460.

It is an arithmetic number, because the mean of its divisors is an integer number (10662540).

Almost surely, 2^42345377 is an apocalyptic number.

It is an amenable number.

42345377 is a deficient number, since it is larger than the sum of its proper divisors (304783).

42345377 is a wasteful number, since it uses less digits than its factorization.

42345377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304782.

The product of its digits is 70560, while the sum is 35.

The square root of 42345377 is about 6507.3325564320. The cubic root of 42345377 is about 348.5528738716.

The spelling of 42345377 in words is "forty-two million, three hundred forty-five thousand, three hundred seventy-seven".