42842577 has 8 divisors (see below), whose sum is σ = 58452064. Its totient is φ = 27897408.

The previous prime is 42842573. The next prime is 42842593. The reversal of 42842577 is 77524824.

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

It is not a de Polignac number, because 42842577 - 2² = 42842573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42842573) 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, 165928 + ... + 166185.

It is an arithmetic number, because the mean of its divisors is an integer number (7306508).

Almost surely, 2^42842577 is an apocalyptic number.

It is an amenable number.

42842577 is a deficient number, since it is larger than the sum of its proper divisors (15609487).

42842577 is a wasteful number, since it uses less digits than its factorization.

42842577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332159.

The product of its digits is 125440, while the sum is 39.

The square root of 42842577 is about 6545.4241268233. The cubic root of 42842577 is about 349.9117519009.

The spelling of 42842577 in words is "forty-two million, eight hundred forty-two thousand, five hundred seventy-seven".