34912872 has 48 divisors (see below), whose sum is σ = 95511780. Its totient is φ = 11520000.

The previous prime is 34912811. The next prime is 34912879. The reversal of 34912872 is 27821943.

It can be written as a sum of positive squares in 2 ways, for example, as 31203396 + 3709476 = 5586^2 + 1926^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (34912879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4872 + ... + 9672.

Almost surely, 2^34912872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34912872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47755890).

34912872 is an abundant number, since it is smaller than the sum of its proper divisors (60598908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34912872 is a wasteful number, since it uses less digits than its factorization.

34912872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914 (or 4907 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 34912872 is about 5908.7115346749. The cubic root of 34912872 is about 326.8349755097.

The spelling of 34912872 in words is "thirty-four million, nine hundred twelve thousand, eight hundred seventy-two".