42310730 has 32 divisors (see below), whose sum is σ = 94953600. Its totient is φ = 13187520.

The previous prime is 42310717. The next prime is 42310733. The reversal of 42310730 is 3701324.

It is not an unprimeable number, because it can be changed into a prime (42310733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26705 + ... + 28244.

It is an arithmetic number, because the mean of its divisors is an integer number (2967300).

Almost surely, 2^42310730 is an apocalyptic number.

42310730 is an abundant number, since it is smaller than the sum of its proper divisors (52642870).

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

42310730 is a wasteful number, since it uses less digits than its factorization.

42310730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54974.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 42310730 is about 6504.6698609537. The cubic root of 42310730 is about 348.4577859116.

The spelling of 42310730 in words is "forty-two million, three hundred ten thousand, seven hundred thirty".