42673572 has 18 divisors (see below), whose sum is σ = 107869398. Its totient is φ = 14224512.

The previous prime is 42673567. The next prime is 42673583. The reversal of 42673572 is 27537624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32901696 + 9771876 = 5736^2 + 3126^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1185377 = 42673572 / (4 + 2 + 6 + 7 + 3 + 5 + 7 + 2).

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 5 ways as a sum of consecutive naturals, for example, 592653 + ... + 592724.

Almost surely, 2^42673572 is an apocalyptic number.

It is an amenable number.

42673572 is an abundant number, since it is smaller than the sum of its proper divisors (65195826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42673572 is a wasteful number, since it uses less digits than its factorization.

42673572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185387 (or 1185382 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 42673572 is about 6532.5012055108. The cubic root of 42673572 is about 349.4510360161.

The spelling of 42673572 in words is "forty-two million, six hundred seventy-three thousand, five hundred seventy-two".