34705240 has 16 divisors (see below), whose sum is σ = 78086880. Its totient is φ = 13882080.

The previous prime is 34705219. The next prime is 34705241. The reversal of 34705240 is 4250743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34705241) 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 3 ways as a sum of consecutive naturals, for example, 433776 + ... + 433855.

It is an arithmetic number, because the mean of its divisors is an integer number (4880430).

Almost surely, 2^34705240 is an apocalyptic number.

It is an amenable number.

34705240 is an abundant number, since it is smaller than the sum of its proper divisors (43381640).

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

34705240 is a wasteful number, since it uses less digits than its factorization.

34705240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867642 (or 867638 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 34705240 is about 5891.1153443130. The cubic root of 34705240 is about 326.1857749023.

Adding to 34705240 its reverse (4250743), we get a palindrome (38955983).

The spelling of 34705240 in words is "thirty-four million, seven hundred five thousand, two hundred forty".