3506604720 has 40 divisors (see below), whose sum is σ = 10870475376. Its totient is φ = 935094528.

The previous prime is 3506604719. The next prime is 3506604727. The reversal of 3506604720 is 274066053.

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

It is not an unprimeable number, because it can be changed into a prime (3506604727) 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 7 ways as a sum of consecutive naturals, for example, 7305187 + ... + 7305666.

Almost surely, 2^3506604720 is an apocalyptic number.

3506604720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3506604720 is an abundant number, since it is smaller than the sum of its proper divisors (7363870656).

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

3506604720 is a wasteful number, since it uses less digits than its factorization.

3506604720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14610869 (or 14610863 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 3506604720 is about 59216.5915939106. The cubic root of 3506604720 is about 1519.2489248708.

The spelling of 3506604720 in words is "three billion, five hundred six million, six hundred four thousand, seven hundred twenty".