3678479720 has 64 divisors (see below), whose sum is σ = 8967309120. Its totient is φ = 1352623104.

The previous prime is 3678479719. The next prime is 3678479773. The reversal of 3678479720 is 279748763.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33662 + ... + 92141.

It is an arithmetic number, because the mean of its divisors is an integer number (140114205).

Almost surely, 2^3678479720 is an apocalyptic number.

It is an amenable number.

3678479720 is an abundant number, since it is smaller than the sum of its proper divisors (5288829400).

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

3678479720 is a wasteful number, since it uses less digits than its factorization.

3678479720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125874 (or 125870 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 53.

The square root of 3678479720 is about 60650.4717211664. The cubic root of 3678479720 is about 1543.6758930699.

The spelling of 3678479720 in words is "three billion, six hundred seventy-eight million, four hundred seventy-nine thousand, seven hundred twenty".