72372298441 has 9 divisors (see below), whose sum is σ = 76387239021. Its totient is φ = 68558387724.

The previous prime is 72372298421. The next prime is 72372298483. The reversal of 72372298441 is 14489227327.

The square root of 72372298441 is 269021.

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

It is not a de Polignac number, because 72372298441 - 2¹¹ = 72372296393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72372298421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5104320 + ... + 5118478.

Almost surely, 2^72372298441 is an apocalyptic number.

72372298441 is the 269021-st square number.

72372298441 is the 134511-st centered octagonal number.

It is an amenable number.

72372298441 is a deficient number, since it is larger than the sum of its proper divisors (4014940580).

72372298441 is an frugal number, since it uses more digits than its factorization.

72372298441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28356 (or 14178 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

Multiplying 72372298441 by its sum of digits (49), we get a square (3546242623609 = 1883147²).

The spelling of 72372298441 in words is "seventy-two billion, three hundred seventy-two million, two hundred ninety-eight thousand, four hundred forty-one".