34000287172 has 12 divisors (see below), whose sum is σ = 59511909436. Its totient is φ = 16996884480.

The previous prime is 34000287157. The next prime is 34000287173. The reversal of 34000287172 is 27178200043.

It can be written as a sum of positive squares in 2 ways, for example, as 15048910276 + 18951376896 = 122674^2 + 137664^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (34000287173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791229 + ... + 833092.

Almost surely, 2^34000287172 is an apocalyptic number.

It is an amenable number.

34000287172 is a deficient number, since it is larger than the sum of its proper divisors (25511622264).

34000287172 is a wasteful number, since it uses less digits than its factorization.

34000287172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629558 (or 1629556 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 34000287172 in words is "thirty-four billion, two hundred eighty-seven thousand, one hundred seventy-two".