34239973 has 6 divisors (see below), whose sum is σ = 34532006. Its totient is φ = 33949032.

The previous prime is 34239967. The next prime is 34239977. The reversal of 34239973 is 37993243.

34239973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26388769 + 7851204 = 5137^2 + 2802^2 .

It is not a de Polignac number, because 34239973 - 2⁹ = 34239461 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 (34239977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73086 + ... + 73552.

Almost surely, 2^34239973 is an apocalyptic number.

It is an amenable number.

34239973 is a deficient number, since it is larger than the sum of its proper divisors (292033).

34239973 is an frugal number, since it uses more digits than its factorization.

34239973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 624 counting only the distinct ones).

The product of its digits is 122472, while the sum is 40.

The square root of 34239973 is about 5851.4932282282. The cubic root of 34239973 is about 324.7215698187.

The spelling of 34239973 in words is "thirty-four million, two hundred thirty-nine thousand, nine hundred seventy-three".