72684969049 has 8 divisors (see below), whose sum is σ = 90620221248. Its totient is φ = 56637638160.

The previous prime is 72684969037. The next prime is 72684969073. The reversal of 72684969049 is 94096948627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72684969049 - 2⁵ = 72684969017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72684969029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471980242 + ... + 471980395.

It is an arithmetic number, because the mean of its divisors is an integer number (11327527656).

Almost surely, 2^72684969049 is an apocalyptic number.

It is an amenable number.

72684969049 is a deficient number, since it is larger than the sum of its proper divisors (17935252199).

72684969049 is a wasteful number, since it uses less digits than its factorization.

72684969049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943960655.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 72684969049 in words is "seventy-two billion, six hundred eighty-four million, nine hundred sixty-nine thousand, forty-nine".