34140784 has 10 divisors (see below), whose sum is σ = 66147800. Its totient is φ = 17070384.

The previous prime is 34140779. The next prime is 34140787. The reversal of 34140784 is 48704143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066884 + ... + 1066915.

It is an arithmetic number, because the mean of its divisors is an integer number (6614780).

Almost surely, 2^34140784 is an apocalyptic number.

It is an amenable number.

34140784 is a deficient number, since it is larger than the sum of its proper divisors (32007016).

34140784 is a wasteful number, since it uses less digits than its factorization.

34140784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133807 (or 2133801 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 34140784 is about 5843.0115522734. The cubic root of 34140784 is about 324.4077070362.

The spelling of 34140784 in words is "thirty-four million, one hundred forty thousand, seven hundred eighty-four".