42573056 has 18 divisors (see below), whose sum is σ = 84980322. Its totient is φ = 21286400.

The previous prime is 42573031. The next prime is 42573071. The reversal of 42573056 is 65037524.

It can be written as a sum of positive squares in only one way, i.e., 27206656 + 15366400 = 5216^2 + 3920^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82895 + ... + 83406.

It is an arithmetic number, because the mean of its divisors is an integer number (4721129).

Almost surely, 2^42573056 is an apocalyptic number.

It is an amenable number.

42573056 is a deficient number, since it is larger than the sum of its proper divisors (42407266).

42573056 is an equidigital number, since it uses as much as digits as its factorization.

42573056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166317 (or 166303 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42573056 is about 6524.8031387928. The cubic root of 42573056 is about 349.1764473678.

The spelling of 42573056 in words is "forty-two million, five hundred seventy-three thousand, fifty-six".