7012961920 has 32 divisors (see below), whose sum is σ = 16765363620. Its totient is φ = 2805184512.

The previous prime is 7012961903. The next prime is 7012961939. The reversal of 7012961920 is 291692107.

It can be written as a sum of positive squares in 2 ways, for example, as 6788441664 + 224520256 = 82392^2 + 14984^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 7012961920.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478237 + ... + 5479516.

Almost surely, 2^7012961920 is an apocalyptic number.

It is an amenable number.

7012961920 is an abundant number, since it is smaller than the sum of its proper divisors (9752401700).

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

7012961920 is a wasteful number, since it uses less digits than its factorization.

7012961920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957772 (or 10957760 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 7012961920 is about 83743.4291153640. The cubic root of 7012961920 is about 1914.1111814484. Note that the first 4 decimals are identical.

The spelling of 7012961920 in words is "seven billion, twelve million, nine hundred sixty-one thousand, nine hundred twenty".