34772905 has 16 divisors (see below), whose sum is σ = 44321040. Its totient is φ = 26099712.

The previous prime is 34772897. The next prime is 34772909. The reversal of 34772905 is 50927743.

It can be written as a sum of positive squares in 8 ways, for example, as 1687401 + 33085504 = 1299^2 + 5752^2 .

It is a cyclic number.

It is not a de Polignac number, because 34772905 - 2³ = 34772897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34772909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48691 + ... + 49399.

It is an arithmetic number, because the mean of its divisors is an integer number (2770065).

Almost surely, 2^34772905 is an apocalyptic number.

It is an amenable number.

34772905 is a deficient number, since it is larger than the sum of its proper divisors (9548135).

34772905 is a wasteful number, since it uses less digits than its factorization.

34772905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 34772905 is about 5896.8555179858. The cubic root of 34772905 is about 326.3976260210.

The spelling of 34772905 in words is "thirty-four million, seven hundred seventy-two thousand, nine hundred five".