34663140 has 60 divisors (see below), whose sum is σ = 108744636. Its totient is φ = 9243072.

The previous prime is 34663133. The next prime is 34663157. The reversal of 34663140 is 4136643.

34663140 is a `hidden beast` number, since 346 + 6 + 314 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 8714304 = 5094^2 + 2952^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 9079 + ... + 12318.

Almost surely, 2^34663140 is an apocalyptic number.

34663140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34663140 is an abundant number, since it is smaller than the sum of its proper divisors (74081496).

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

34663140 is a wasteful number, since it uses less digits than its factorization.

34663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418 (or 21407 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 34663140 is about 5887.5410826592. The cubic root of 34663140 is about 326.0538257818.

Adding to 34663140 its reverse (4136643), we get a palindrome (38799783).

The spelling of 34663140 in words is "thirty-four million, six hundred sixty-three thousand, one hundred forty".