42707057 has 8 divisors (see below), whose sum is σ = 44160000. Its totient is φ = 41258880.

The previous prime is 42707047. The next prime is 42707101. The reversal of 42707057 is 75070724.

It is a happy number.

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 42707057 - 2²⁰ = 41658481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42707047) 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, 33569 + ... + 34817.

It is an arithmetic number, because the mean of its divisors is an integer number (5520000).

Almost surely, 2^42707057 is an apocalyptic number.

It is an amenable number.

42707057 is a deficient number, since it is larger than the sum of its proper divisors (1452943).

42707057 is a wasteful number, since it uses less digits than its factorization.

42707057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 42707057 is about 6535.0636569203. The cubic root of 42707057 is about 349.5424142636.

The spelling of 42707057 in words is "forty-two million, seven hundred seven thousand, fifty-seven".