42357020 has 24 divisors (see below), whose sum is σ = 89785584. Its totient is φ = 16783616.

The previous prime is 42357019. The next prime is 42357031. The reversal of 42357020 is 2075324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7757 + ... + 12036.

It is an arithmetic number, because the mean of its divisors is an integer number (3741066).

Almost surely, 2^42357020 is an apocalyptic number.

It is an amenable number.

42357020 is an abundant number, since it is smaller than the sum of its proper divisors (47428564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42357020 is a wasteful number, since it uses less digits than its factorization.

42357020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19909 (or 19907 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 42357020 is about 6508.2271011390. The cubic root of 42357020 is about 348.5848161954.

The spelling of 42357020 in words is "forty-two million, three hundred fifty-seven thousand, twenty".