42973090 has 32 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 16872000.

The previous prime is 42973057. The next prime is 42973153. The reversal of 42973090 is 9037924.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224895 + ... + 225085.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^42973090 is an apocalyptic number.

42973090 is a deficient number, since it is larger than the sum of its proper divisors (35823710).

42973090 is a wasteful number, since it uses less digits than its factorization.

42973090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 42973090 is about 6555.3863349157. The cubic root of 42973090 is about 350.2667082750.

The spelling of 42973090 in words is "forty-two million, nine hundred seventy-three thousand, ninety".