72412471 has 2 divisors, whose sum is σ = 72412472. Its totient is φ = 72412470.

The previous prime is 72412463. The next prime is 72412523. The reversal of 72412471 is 17421427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72412471 - 2³ = 72412463 is a prime.

It is a super-3 number, since 3×72412471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72412871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206235 + 36206236.

It is an arithmetic number, because the mean of its divisors is an integer number (36206236).

Almost surely, 2^72412471 is an apocalyptic number.

72412471 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412471 is an equidigital number, since it uses as much as digits as its factorization.

72412471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 72412471 is about 8509.5517508268. The cubic root of 72412471 is about 416.8096730102.

Adding to 72412471 its reverse (17421427), we get a palindrome (89833898).

The spelling of 72412471 in words is "seventy-two million, four hundred twelve thousand, four hundred seventy-one".