42690930 has 32 divisors (see below), whose sum is σ = 102643200. Its totient is φ = 11363712.

The previous prime is 42690919. The next prime is 42690941. The reversal of 42690930 is 3909624.

42690930 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 (42690919) and next prime (42690941).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42690891 and 42690900.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23391 + ... + 25149.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^42690930 is an apocalyptic number.

42690930 is an abundant number, since it is smaller than the sum of its proper divisors (59952270).

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

42690930 is a wasteful number, since it uses less digits than its factorization.

42690930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 42690930 is about 6533.8296580183. The cubic root of 42690930 is about 349.4984107615.

The spelling of 42690930 in words is "forty-two million, six hundred ninety thousand, nine hundred thirty".