42073073 has 8 divisors (see below), whose sum is σ = 48210240. Its totient is φ = 35967600.

The previous prime is 42073027. The next prime is 42073091. The reversal of 42073073 is 37037024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42073073 - 2⁸ = 42072817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42043073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5003 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (6026280).

Almost surely, 2^42073073 is an apocalyptic number.

It is an amenable number.

42073073 is a deficient number, since it is larger than the sum of its proper divisors (6137167).

42073073 is a wasteful number, since it uses less digits than its factorization.

42073073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15847.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 42073073 is about 6486.3759527181. The cubic root of 42073073 is about 347.8041379245.

The spelling of 42073073 in words is "forty-two million, seventy-three thousand, seventy-three".