42376665 has 16 divisors (see below), whose sum is σ = 71791488. Its totient is φ = 21271296.

The previous prime is 42376613. The next prime is 42376667. The reversal of 42376665 is 56667324.

It is not a de Polignac number, because 42376665 - 2¹² = 42372569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42376667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82837 + ... + 83346.

It is an arithmetic number, because the mean of its divisors is an integer number (4486968).

Almost surely, 2^42376665 is an apocalyptic number.

It is an amenable number.

42376665 is a deficient number, since it is larger than the sum of its proper divisors (29414823).

42376665 is a wasteful number, since it uses less digits than its factorization.

42376665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166208.

The product of its digits is 181440, while the sum is 39.

The square root of 42376665 is about 6509.7361697691. The cubic root of 42376665 is about 348.6386985688.

The spelling of 42376665 in words is "forty-two million, three hundred seventy-six thousand, six hundred sixty-five".