2961312072 has 16 divisors (see below), whose sum is σ = 7403280240. Its totient is φ = 987104016.

The previous prime is 2961312049. The next prime is 2961312073. The reversal of 2961312072 is 2702131692.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2961312073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61693978 + ... + 61694025.

It is an arithmetic number, because the mean of its divisors is an integer number (462705015).

Almost surely, 2^2961312072 is an apocalyptic number.

It is an amenable number.

2961312072 is an abundant number, since it is smaller than the sum of its proper divisors (4441968168).

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

2961312072 is a wasteful number, since it uses less digits than its factorization.

2961312072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123388012 (or 123388008 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2961312072 is about 54417.9388804832. The cubic root of 2961312072 is about 1436.0229885391.

The spelling of 2961312072 in words is "two billion, nine hundred sixty-one million, three hundred twelve thousand, seventy-two".