3678656730 has 64 divisors (see below), whose sum is σ = 10107002880. Its totient is φ = 839421504.

The previous prime is 3678656717. The next prime is 3678656743. The reversal of 3678656730 is 376568763.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3678656717) and next prime (3678656743).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113041 + ... + 141899.

It is an arithmetic number, because the mean of its divisors is an integer number (157921920).

Almost surely, 2^3678656730 is an apocalyptic number.

3678656730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3678656730 is an abundant number, since it is smaller than the sum of its proper divisors (6428346150).

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

3678656730 is a wasteful number, since it uses less digits than its factorization.

3678656730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29483.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The square root of 3678656730 is about 60651.9309667879. The cubic root of 3678656730 is about 1543.7006534517.

The spelling of 3678656730 in words is "three billion, six hundred seventy-eight million, six hundred fifty-six thousand, seven hundred thirty".