730212671617 has 16 divisors (see below), whose sum is σ = 857896562880. Its totient is φ = 612748497600.

The previous prime is 730212671609. The next prime is 730212671623. The reversal of 730212671617 is 716176212037.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 730212671617 - 2³ = 730212671609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730212671317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8632434 + ... + 8716612.

It is an arithmetic number, because the mean of its divisors is an integer number (53618535180).

Almost surely, 2^730212671617 is an apocalyptic number.

It is an amenable number.

730212671617 is a deficient number, since it is larger than the sum of its proper divisors (127683891263).

730212671617 is a wasteful number, since it uses less digits than its factorization.

730212671617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144864.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 730212671617 in words is "seven hundred thirty billion, two hundred twelve million, six hundred seventy-one thousand, six hundred seventeen".