42657470 has 16 divisors (see below), whose sum is σ = 80825040. Its totient is φ = 16164864.

The previous prime is 42657469. The next prime is 42657481. The reversal of 42657470 is 7475624.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42657470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112067 + ... + 112446.

It is an arithmetic number, because the mean of its divisors is an integer number (5051565).

Almost surely, 2^42657470 is an apocalyptic number.

42657470 is a deficient number, since it is larger than the sum of its proper divisors (38167570).

42657470 is a wasteful number, since it uses less digits than its factorization.

42657470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224539.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 42657470 is about 6531.2686363370. The cubic root of 42657470 is about 349.4070777519.

The spelling of 42657470 in words is "forty-two million, six hundred fifty-seven thousand, four hundred seventy".