42870514 has 4 divisors (see below), whose sum is σ = 64305774. Its totient is φ = 21435256.

The previous prime is 42870493. The next prime is 42870547. The reversal of 42870514 is 41507824.

42870514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42837025 + 33489 = 6545^2 + 183^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 10717627 + ... + 10717630.

Almost surely, 2^42870514 is an apocalyptic number.

42870514 is a deficient number, since it is larger than the sum of its proper divisors (21435260).

42870514 is a wasteful number, since it uses less digits than its factorization.

42870514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435259.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 42870514 is about 6547.5578653419. The cubic root of 42870514 is about 349.9877927715.

The spelling of 42870514 in words is "forty-two million, eight hundred seventy thousand, five hundred fourteen".