34478272225 has 24 divisors (see below), whose sum is σ = 42897254400. Its totient is φ = 27489745920.

The previous prime is 34478272219. The next prime is 34478272247. The reversal of 34478272225 is 52227287443.

It is not a de Polignac number, because 34478272225 - 2¹³ = 34478264033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18666252 + ... + 18668098.

It is an arithmetic number, because the mean of its divisors is an integer number (1787385600).

Almost surely, 2^34478272225 is an apocalyptic number.

It is an amenable number.

34478272225 is a deficient number, since it is larger than the sum of its proper divisors (8418982175).

34478272225 is a wasteful number, since it uses less digits than its factorization.

34478272225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3964 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 46.

The spelling of 34478272225 in words is "thirty-four billion, four hundred seventy-eight million, two hundred seventy-two thousand, two hundred twenty-five".