42893770 has 32 divisors (see below), whose sum is σ = 80248320. Its totient is φ = 16489920.

The previous prime is 42893701. The next prime is 42893803. The reversal of 42893770 is 7739824.

It is a super-4 number, since 4×42893770⁴ (a number of 32 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 55104 + ... + 55876.

It is an arithmetic number, because the mean of its divisors is an integer number (2507760).

Almost surely, 2^42893770 is an apocalyptic number.

42893770 is a deficient number, since it is larger than the sum of its proper divisors (37354550).

42893770 is a wasteful number, since it uses less digits than its factorization.

42893770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 42893770 is about 6549.3335538816. Note that the first 3 decimals coincide. The cubic root of 42893770 is about 350.0510673785.

The spelling of 42893770 in words is "forty-two million, eight hundred ninety-three thousand, seven hundred seventy".