7273549720972 has 24 divisors (see below), whose sum is σ = 12974876686800. Its totient is φ = 3567115137600.

The previous prime is 7273549720951. The next prime is 7273549721029. The reversal of 7273549720972 is 2790279453727.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84086847 + ... + 84173302.

It is an arithmetic number, because the mean of its divisors is an integer number (540619861950).

Almost surely, 2^{7273549720972} is an apocalyptic number.

It is an amenable number.

7273549720972 is a deficient number, since it is larger than the sum of its proper divisors (5701326965828).

7273549720972 is a wasteful number, since it uses less digits than its factorization.

7273549720972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168260361 (or 168260359 counting only the distinct ones).

The product of its (nonzero) digits is 93350880, while the sum is 64.

The spelling of 7273549720972 in words is "seven trillion, two hundred seventy-three billion, five hundred forty-nine million, seven hundred twenty thousand, nine hundred seventy-two".