3147146720 has 24 divisors (see below), whose sum is σ = 7435134504. Its totient is φ = 1258858624.

The previous prime is 3147146707. The next prime is 3147146749. The reversal of 3147146720 is 276417413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9834674 + ... + 9834993.

It is an arithmetic number, because the mean of its divisors is an integer number (309797271).

Almost surely, 2^3147146720 is an apocalyptic number.

It is an amenable number.

3147146720 is an abundant number, since it is smaller than the sum of its proper divisors (4287987784).

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

3147146720 is a wasteful number, since it uses less digits than its factorization.

3147146720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19669682 (or 19669674 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 3147146720 is about 56099.4360042951. The cubic root of 3147146720 is about 1465.4544703915.

The spelling of 3147146720 in words is "three billion, one hundred forty-seven million, one hundred forty-six thousand, seven hundred twenty".