7973533972 has 12 divisors (see below), whose sum is σ = 13954753120. Its totient is φ = 3986461656.

The previous prime is 7973533949. The next prime is 7973534017. The reversal of 7973533972 is 2793353797.

It is a happy number.

It is a congruent number.

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, 11448 + ... + 126799.

Almost surely, 2^7973533972 is an apocalyptic number.

It is an amenable number.

7973533972 is a deficient number, since it is larger than the sum of its proper divisors (5981219148).

7973533972 is a wasteful number, since it uses less digits than its factorization.

7973533972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152670 (or 152668 counting only the distinct ones).

The product of its digits is 7501410, while the sum is 55.

The square root of 7973533972 is about 89294.6469392203. The cubic root of 7973533972 is about 1997.7920610665.

The spelling of 7973533972 in words is "seven billion, nine hundred seventy-three million, five hundred thirty-three thousand, nine hundred seventy-two".