42802057 has 8 divisors (see below), whose sum is σ = 46203840. Its totient is φ = 39528720.

The previous prime is 42802051. The next prime is 42802091. The reversal of 42802057 is 75020824.

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

It is not a de Polignac number, because 42802057 - 2³ = 42802049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42802051) 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, 31419 + ... + 32752.

It is an arithmetic number, because the mean of its divisors is an integer number (5775480).

Almost surely, 2^42802057 is an apocalyptic number.

It is an amenable number.

42802057 is a deficient number, since it is larger than the sum of its proper divisors (3401783).

42802057 is a wasteful number, since it uses less digits than its factorization.

42802057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64223.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 42802057 is about 6542.3281024418. The cubic root of 42802057 is about 349.8014029796.

The spelling of 42802057 in words is "forty-two million, eight hundred two thousand, fifty-seven".