42672330733 has 4 divisors (see below), whose sum is σ = 42849394588. Its totient is φ = 42495266880.

The previous prime is 42672330713. The next prime is 42672330787. The reversal of 42672330733 is 33703327624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39260252164 + 3412078569 = 198142^2 + 58413^2 .

It is a cyclic number.

It is not a de Polignac number, because 42672330733 - 2⁹ = 42672330221 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 (42672330713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88531566 + ... + 88532047.

It is an arithmetic number, because the mean of its divisors is an integer number (10712348647).

Almost surely, 2^42672330733 is an apocalyptic number.

It is an amenable number.

42672330733 is a deficient number, since it is larger than the sum of its proper divisors (177063855).

42672330733 is a wasteful number, since it uses less digits than its factorization.

42672330733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177063854.

The product of its (nonzero) digits is 381024, while the sum is 40.

The spelling of 42672330733 in words is "forty-two billion, six hundred seventy-two million, three hundred thirty thousand, seven hundred thirty-three".