42357771 has 6 divisors (see below), whose sum is σ = 61183460. Its totient is φ = 28238508.

The previous prime is 42357751. The next prime is 42357773. The reversal of 42357771 is 17775324.

It is not a de Polignac number, because 42357771 - 2⁷ = 42357643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42357773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2353201 + ... + 2353218.

Almost surely, 2^42357771 is an apocalyptic number.

42357771 is a deficient number, since it is larger than the sum of its proper divisors (18825689).

42357771 is a wasteful number, since it uses less digits than its factorization.

42357771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706425 (or 4706422 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 42357771 is about 6508.2847970875. The cubic root of 42357771 is about 348.5868763470.

The spelling of 42357771 in words is "forty-two million, three hundred fifty-seven thousand, seven hundred seventy-one".