3406647720 has 128 divisors (see below), whose sum is σ = 11995718400. Its totient is φ = 757610496.

The previous prime is 3406647709. The next prime is 3406647721. The reversal of 3406647720 is 277466043.

It is not an unprimeable number, because it can be changed into a prime (3406647721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23725 + ... + 85884.

It is an arithmetic number, because the mean of its divisors is an integer number (93716550).

Almost surely, 2^3406647720 is an apocalyptic number.

3406647720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3406647720 is an abundant number, since it is smaller than the sum of its proper divisors (8589070680).

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

3406647720 is a wasteful number, since it uses less digits than its factorization.

3406647720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109667 (or 109663 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 3406647720 is about 58366.4948407903. The cubic root of 3406647720 is about 1504.6739719747.

The spelling of 3406647720 in words is "three billion, four hundred six million, six hundred forty-seven thousand, seven hundred twenty".