72050471 has 16 divisors (see below), whose sum is σ = 79755840. Its totient is φ = 64780800.

The previous prime is 72050443. The next prime is 72050491. The reversal of 72050471 is 17405027.

It is a cyclic number.

It is not a de Polignac number, because 72050471 - 2¹⁰ = 72049447 is a prime.

It is a super-3 number, since 3×72050471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72050471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050411) 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, 49070 + ... + 50516.

It is an arithmetic number, because the mean of its divisors is an integer number (4984740).

Almost surely, 2^72050471 is an apocalyptic number.

72050471 is a deficient number, since it is larger than the sum of its proper divisors (7705369).

72050471 is a wasteful number, since it uses less digits than its factorization.

72050471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 72050471 is about 8488.2548854285. The cubic root of 72050471 is about 416.1139492302.

Adding to 72050471 its reverse (17405027), we get a palindrome (89455498).

The spelling of 72050471 in words is "seventy-two million, fifty thousand, four hundred seventy-one".