34666640 has 40 divisors (see below), whose sum is σ = 84845760. Its totient is φ = 13136256.

The previous prime is 34666637. The next prime is 34666679. The reversal of 34666640 is 4666643.

34666640 = T₄₁₃ + T₄₁₄ + ... + T₆₅₂.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 34666640.

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, 9884 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (2121144).

Almost surely, 2^34666640 is an apocalyptic number.

It is an amenable number.

34666640 is an abundant number, since it is smaller than the sum of its proper divisors (50179120).

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

34666640 is a wasteful number, since it uses less digits than its factorization.

34666640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22839 (or 22833 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 34666640 is about 5887.8383129974. The cubic root of 34666640 is about 326.0647994942.

The spelling of 34666640 in words is "thirty-four million, six hundred sixty-six thousand, six hundred forty".