42742150 has 24 divisors (see below), whose sum is σ = 86728824. Its totient is φ = 15542400.

The previous prime is 42742127. The next prime is 42742169. The reversal of 42742150 is 5124724.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38307 + ... + 39406.

It is an arithmetic number, because the mean of its divisors is an integer number (3613701).

Almost surely, 2^42742150 is an apocalyptic number.

42742150 is an abundant number, since it is smaller than the sum of its proper divisors (43986674).

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

42742150 is a wasteful number, since it uses less digits than its factorization.

42742150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77736 (or 77731 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 42742150 is about 6537.7480832470. The cubic root of 42742150 is about 349.6381293865.

Adding to 42742150 its reverse (5124724), we get a palindrome (47866874).

The spelling of 42742150 in words is "forty-two million, seven hundred forty-two thousand, one hundred fifty".