42046973 has 4 divisors (see below), whose sum is σ = 42060060. Its totient is φ = 42033888.

The previous prime is 42046957. The next prime is 42046987. The reversal of 42046973 is 37964024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22448644 + 19598329 = 4738^2 + 4427^2 .

It is a cyclic number.

It is not a de Polignac number, because 42046973 - 2⁴ = 42046957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42046903) 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, 1961 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (10515015).

Almost surely, 2^42046973 is an apocalyptic number.

It is an amenable number.

42046973 is a deficient number, since it is larger than the sum of its proper divisors (13087).

42046973 is an equidigital number, since it uses as much as digits as its factorization.

42046973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13086.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42046973 is about 6484.3637313155. The cubic root of 42046973 is about 347.7322030335.

The spelling of 42046973 in words is "forty-two million, forty-six thousand, nine hundred seventy-three".