34719973 has 4 divisors (see below), whose sum is σ = 36547360. Its totient is φ = 32892588.

The previous prime is 34719953. The next prime is 34719977. The reversal of 34719973 is 37991743.

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-34719973 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 (34719977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913665 + ... + 913702.

It is an arithmetic number, because the mean of its divisors is an integer number (9136840).

Almost surely, 2^34719973 is an apocalyptic number.

It is an amenable number.

34719973 is a deficient number, since it is larger than the sum of its proper divisors (1827387).

34719973 is a wasteful number, since it uses less digits than its factorization.

34719973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827386.

The product of its digits is 142884, while the sum is 43.

The square root of 34719973 is about 5892.3656539628. The cubic root of 34719973 is about 326.2319256195.

The spelling of 34719973 in words is "thirty-four million, seven hundred nineteen thousand, nine hundred seventy-three".