42057342 has 12 divisors (see below), whose sum is σ = 91124280. Its totient is φ = 14019108.

The previous prime is 42057331. The next prime is 42057373. The reversal of 42057342 is 24375024.

It is a super-2 number, since 2×42057342² = 3537640032209928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1168242 + ... + 1168277.

It is an arithmetic number, because the mean of its divisors is an integer number (7593690).

Almost surely, 2^42057342 is an apocalyptic number.

42057342 is an abundant number, since it is smaller than the sum of its proper divisors (49066938).

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

42057342 is a wasteful number, since it uses less digits than its factorization.

42057342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336527 (or 2336524 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42057342 is about 6485.1632207678. The cubic root of 42057342 is about 347.7607848680.

The spelling of 42057342 in words is "forty-two million, fifty-seven thousand, three hundred forty-two".