72739168804 has 9 divisors (see below), whose sum is σ = 127294489371. Its totient is φ = 36369314700.

The previous prime is 72739168793. The next prime is 72739168813. The reversal of 72739168804 is 40886193727.

The square root of 72739168804 is 269702.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 471979 + ... + 606829.

Almost surely, 2^72739168804 is an apocalyptic number.

72739168804 is the 269702-nd square number.

It is an amenable number.

72739168804 is a deficient number, since it is larger than the sum of its proper divisors (54555320567).

72739168804 is an frugal number, since it uses more digits than its factorization.

72739168804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269706 (or 134853 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 72739168804 in words is "seventy-two billion, seven hundred thirty-nine million, one hundred sixty-eight thousand, eight hundred four".