7913947732 has 48 divisors (see below), whose sum is σ = 14639788800. Its totient is φ = 3735883008.

The previous prime is 7913947703. The next prime is 7913947733. The reversal of 7913947732 is 2377493197.

It is a self number, because there is not a number n which added to its sum of digits gives 7913947732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7913947733) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3305928 + ... + 3308320.

It is an arithmetic number, because the mean of its divisors is an integer number (304995600).

Almost surely, 2^7913947732 is an apocalyptic number.

It is an amenable number.

7913947732 is a deficient number, since it is larger than the sum of its proper divisors (6725841068).

7913947732 is a wasteful number, since it uses less digits than its factorization.

7913947732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872 (or 2870 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 52.

The square root of 7913947732 is about 88960.3716943674. The cubic root of 7913947732 is about 1992.8031111256.

The spelling of 7913947732 in words is "seven billion, nine hundred thirteen million, nine hundred forty-seven thousand, seven hundred thirty-two".