42333290 has 16 divisors (see below), whose sum is σ = 78658560. Its totient is φ = 16386960.

The previous prime is 42333287. The next prime is 42333293. The reversal of 42333290 is 9233324.

42333290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42333287) and next prime (42333293).

It is not an unprimeable number, because it can be changed into a prime (42333293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67970 + ... + 68589.

It is an arithmetic number, because the mean of its divisors is an integer number (4916160).

Almost surely, 2^42333290 is an apocalyptic number.

42333290 is a deficient number, since it is larger than the sum of its proper divisors (36325270).

42333290 is a wasteful number, since it uses less digits than its factorization.

42333290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136597.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 42333290 is about 6506.4037685960. The cubic root of 42333290 is about 348.5197072483.

The spelling of 42333290 in words is "forty-two million, three hundred thirty-three thousand, two hundred ninety".