72372038471 has 4 divisors (see below), whose sum is σ = 72857757000. Its totient is φ = 71886319944.

The previous prime is 72372038449. The next prime is 72372038491. The reversal of 72372038471 is 17483027327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17483027327 = 19 ⋅920159333.

It is a cyclic number.

It is not a de Polignac number, because 72372038471 - 2¹⁰ = 72372037447 is a prime.

It is a super-3 number, since 3×72372038471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72372038411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242859041 + ... + 242859338.

It is an arithmetic number, because the mean of its divisors is an integer number (18214439250).

Almost surely, 2^72372038471 is an apocalyptic number.

72372038471 is a deficient number, since it is larger than the sum of its proper divisors (485718529).

72372038471 is a wasteful number, since it uses less digits than its factorization.

72372038471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485718528.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 72372038471 in words is "seventy-two billion, three hundred seventy-two million, thirty-eight thousand, four hundred seventy-one".