42305770 has 24 divisors (see below), whose sum is σ = 82461996. Its totient is φ = 15619968.

The previous prime is 42305749. The next prime is 42305803. The reversal of 42305770 is 7750324.

It can be written as a sum of positive squares in 6 ways, for example, as 328329 + 41977441 = 573^2 + 6479^2 .

It is a super-3 number, since 3×42305770³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 10827 + ... + 14206.

Almost surely, 2^42305770 is an apocalyptic number.

42305770 is a deficient number, since it is larger than the sum of its proper divisors (40156226).

42305770 is a wasteful number, since it uses less digits than its factorization.

42305770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066 (or 25053 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 42305770 is about 6504.2885852336. The cubic root of 42305770 is about 348.4441690493. Note that the first 3 decimals are identical.

It can be divided in two parts, 4230 and 5770, that added together give a 4-th power (10000 = 10⁴).

The spelling of 42305770 in words is "forty-two million, three hundred five thousand, seven hundred seventy".