42750229 has 8 divisors (see below), whose sum is σ = 43475040. Its totient is φ = 42030576.

The previous prime is 42750181. The next prime is 42750233. The reversal of 42750229 is 92205724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42750229 - 2⁷ = 42750101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42750229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42750269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17707 + ... + 19975.

It is an arithmetic number, because the mean of its divisors is an integer number (5434380).

Almost surely, 2^42750229 is an apocalyptic number.

It is an amenable number.

42750229 is a deficient number, since it is larger than the sum of its proper divisors (724811).

42750229 is a wasteful number, since it uses less digits than its factorization.

42750229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42750229 is about 6538.3659273552. The cubic root of 42750229 is about 349.6601572013.

The spelling of 42750229 in words is "forty-two million, seven hundred fifty thousand, two hundred twenty-nine".