42573929 has 4 divisors (see below), whose sum is σ = 42588240. Its totient is φ = 42559620.

The previous prime is 42573911. The next prime is 42573931. The reversal of 42573929 is 92937524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42573929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42573959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (10647060).

Almost surely, 2^42573929 is an apocalyptic number.

It is an amenable number.

42573929 is a deficient number, since it is larger than the sum of its proper divisors (14311).

42573929 is a wasteful number, since it uses less digits than its factorization.

42573929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14310.

The product of its digits is 136080, while the sum is 41.

The square root of 42573929 is about 6524.8700370199. The cubic root of 42573929 is about 349.1788340805.

The spelling of 42573929 in words is "forty-two million, five hundred seventy-three thousand, nine hundred twenty-nine".