34785712 has 40 divisors (see below), whose sum is σ = 74370240. Its totient is φ = 15659520.

The previous prime is 34785691. The next prime is 34785767. The reversal of 34785712 is 21758743.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489 + ... + 10567.

It is an arithmetic number, because the mean of its divisors is an integer number (1859256).

Almost surely, 2^34785712 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 34785712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37185120).

34785712 is an abundant number, since it is smaller than the sum of its proper divisors (39584528).

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

34785712 is a wasteful number, since it uses less digits than its factorization.

34785712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4135 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 34785712 is about 5897.9413357544. The cubic root of 34785712 is about 326.4376922863.

The spelling of 34785712 in words is "thirty-four million, seven hundred eighty-five thousand, seven hundred twelve".