34644872 has 16 divisors (see below), whose sum is σ = 65034060. Its totient is φ = 17302464.

The previous prime is 34644871. The next prime is 34644893. The reversal of 34644872 is 27844643.

It can be written as a sum of positive squares in 2 ways, for example, as 29008996 + 5635876 = 5386^2 + 2374^2 .

It is not an unprimeable number, because it can be changed into a prime (34644871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998 + ... + 10874.

Almost surely, 2^34644872 is an apocalyptic number.

It is an amenable number.

34644872 is a deficient number, since it is larger than the sum of its proper divisors (30389188).

34644872 is a wasteful number, since it uses less digits than its factorization.

34644872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000 (or 4996 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 34644872 is about 5885.9894665213. The cubic root of 34644872 is about 325.9965372811.

The spelling of 34644872 in words is "thirty-four million, six hundred forty-four thousand, eight hundred seventy-two".