42306472 has 32 divisors (see below), whose sum is σ = 90455400. Its totient is φ = 18376704.

The previous prime is 42306469. The next prime is 42306491. The reversal of 42306472 is 27460324.

It can be written as a sum of positive squares in 4 ways, for example, as 37527876 + 4778596 = 6126^2 + 2186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42306472.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10197 + ... + 13732.

Almost surely, 2^42306472 is an apocalyptic number.

It is an amenable number.

42306472 is an abundant number, since it is smaller than the sum of its proper divisors (48148928).

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

42306472 is a wasteful number, since it uses less digits than its factorization.

42306472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23965 (or 23961 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 42306472 is about 6504.3425494050. The cubic root of 42306472 is about 348.4460963392.

Adding to 42306472 its reverse (27460324), we get a palindrome (69766796).

It can be divided in two parts, 42306 and 472, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42306472 in words is "forty-two million, three hundred six thousand, four hundred seventy-two".