42432357 has 32 divisors (see below), whose sum is σ = 66908160. Its totient is φ = 23627520.

The previous prime is 42432353. The next prime is 42432361. The reversal of 42432357 is 75323424.

It is an interprime number because it is at equal distance from previous prime (42432353) and next prime (42432361).

It is not a de Polignac number, because 42432357 - 2² = 42432353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23244 + ... + 25002.

It is an arithmetic number, because the mean of its divisors is an integer number (2090880).

Almost surely, 2^42432357 is an apocalyptic number.

It is an amenable number.

42432357 is a deficient number, since it is larger than the sum of its proper divisors (24475803).

42432357 is a wasteful number, since it uses less digits than its factorization.

42432357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its digits is 20160, while the sum is 30.

The square root of 42432357 is about 6514.0123579864. The cubic root of 42432357 is about 348.7913603135.

The spelling of 42432357 in words is "forty-two million, four hundred thirty-two thousand, three hundred fifty-seven".