34687312 has 120 divisors (see below), whose sum is σ = 83119680. Its totient is φ = 13939200.

The previous prime is 34687309. The next prime is 34687321. The reversal of 34687312 is 21378643.

It is a happy number.

It is a super-2 number, since 2×34687312² = 2406419227570688, which contains 22 as substring.

Its product of digits (24192) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

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, 846012 + ... + 846052.

It is an arithmetic number, because the mean of its divisors is an integer number (692664).

Almost surely, 2^34687312 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 34687312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41559840).

34687312 is an abundant number, since it is smaller than the sum of its proper divisors (48432368).

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

34687312 is a wasteful number, since it uses less digits than its factorization.

34687312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 96 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 34687312 is about 5889.5935343621. The cubic root of 34687312 is about 326.1295983151.

The spelling of 34687312 in words is "thirty-four million, six hundred eighty-seven thousand, three hundred twelve".