34572147 has 16 divisors (see below), whose sum is σ = 47982240. Its totient is φ = 22115072.

The previous prime is 34572127. The next prime is 34572157. The reversal of 34572147 is 74127543.

It is a cyclic number.

It is not a de Polignac number, because 34572147 - 2¹⁰ = 34571123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34572127) 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, 13903 + ... + 16199.

It is an arithmetic number, because the mean of its divisors is an integer number (2998890).

Almost surely, 2^34572147 is an apocalyptic number.

34572147 is a deficient number, since it is larger than the sum of its proper divisors (13410093).

34572147 is a wasteful number, since it uses less digits than its factorization.

34572147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its digits is 23520, while the sum is 33.

The square root of 34572147 is about 5879.8084152462. The cubic root of 34572147 is about 325.7682715939.

The spelling of 34572147 in words is "thirty-four million, five hundred seventy-two thousand, one hundred forty-seven".