42064370 has 16 divisors (see below), whose sum is σ = 75804120. Its totient is φ = 16806144.

The previous prime is 42064369. The next prime is 42064387. The reversal of 42064370 is 7346024.

It is a happy number.

42064370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13623481 + 28440889 = 3691^2 + 5333^2 .

It is a super-2 number, since 2×42064370² = 3538822446993800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9194 + ... + 12986.

Almost surely, 2^42064370 is an apocalyptic number.

42064370 is a deficient number, since it is larger than the sum of its proper divisors (33739750).

42064370 is a wasteful number, since it uses less digits than its factorization.

42064370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 42064370 is about 6485.7050503396. The cubic root of 42064370 is about 347.7801546661.

The spelling of 42064370 in words is "forty-two million, sixty-four thousand, three hundred seventy".