72471060 has 72 divisors (see below), whose sum is σ = 220559976. Its totient is φ = 19261440.

The previous prime is 72471041. The next prime is 72471071. The reversal of 72471060 is 6017427.

72471060 = T₃₁₉ + T₃₂₀ + ... + T₇₇₅.

It can be written as a sum of positive squares in 4 ways, for example, as 8503056 + 63968004 = 2916^2 + 7998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81820 + ... + 82700.

It is an arithmetic number, because the mean of its divisors is an integer number (3063333).

Almost surely, 2^72471060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72471060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110279988).

72471060 is an abundant number, since it is smaller than the sum of its proper divisors (148088916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72471060 is a wasteful number, since it uses less digits than its factorization.

72471060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 72471060 is about 8512.9935980241. The cubic root of 72471060 is about 416.9220564084.

Adding to 72471060 its reverse (6017427), we get a palindrome (78488487).

The spelling of 72471060 in words is "seventy-two million, four hundred seventy-one thousand, sixty".