42573028 has 6 divisors (see below), whose sum is σ = 74502806. Its totient is φ = 21286512.

The previous prime is 42573017. The next prime is 42573031. The reversal of 42573028 is 82037524.

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 15303744 = 5222^2 + 3912^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321625 + ... + 5321632.

Almost surely, 2^42573028 is an apocalyptic number.

It is an amenable number.

42573028 is a deficient number, since it is larger than the sum of its proper divisors (31929778).

42573028 is a wasteful number, since it uses less digits than its factorization.

42573028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643261 (or 10643259 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 42573028 is about 6524.8009931338. The cubic root of 42573028 is about 349.1763708175.

The spelling of 42573028 in words is "forty-two million, five hundred seventy-three thousand, twenty-eight".