72030827673 has 12 divisors (see below), whose sum is σ = 118908033088. Its totient is φ = 41160472920.

The previous prime is 72030827669. The next prime is 72030827681. The reversal of 72030827673 is 37672803027.

72030827673 is a `hidden beast` number, since 7 + 2 + 0 + 308 + 276 + 73 = 666.

It is not a de Polignac number, because 72030827673 - 2² = 72030827669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72030827633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571673173 + ... + 571673298.

Almost surely, 2^72030827673 is an apocalyptic number.

It is an amenable number.

72030827673 is a deficient number, since it is larger than the sum of its proper divisors (46877205415).

72030827673 is a wasteful number, since it uses less digits than its factorization.

72030827673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143346484 (or 1143346481 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 72030827673 in words is "seventy-two billion, thirty million, eight hundred twenty-seven thousand, six hundred seventy-three".