7961003712 has 168 divisors, whose sum is σ = 24339042000. Its totient is φ = 2479177728.

The previous prime is 7961003711. The next prime is 7961003737. The reversal of 7961003712 is 2173001697.

It is a happy number.

7961003712 is a `hidden beast` number, since 7 + 9 + 610 + 0 + 37 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7961003711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1358164 + ... + 1364012.

It is an arithmetic number, because the mean of its divisors is an integer number (144875250).

Almost surely, 2^7961003712 is an apocalyptic number.

7961003712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7961003712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12169521000).

7961003712 is an abundant number, since it is smaller than the sum of its proper divisors (16378038288).

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

7961003712 is a wasteful number, since it uses less digits than its factorization.

7961003712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023 (or 6010 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 7961003712 is about 89224.4569162514. The cubic root of 7961003712 is about 1996.7450147427.

The spelling of 7961003712 in words is "seven billion, nine hundred sixty-one million, three thousand, seven hundred twelve".