72536460 has 24 divisors (see below), whose sum is σ = 203102256. Its totient is φ = 19343040.

The previous prime is 72536459. The next prime is 72536461. The reversal of 72536460 is 6463527.

It is an interprime number because it is at equal distance from previous prime (72536459) and next prime (72536461).

It is not an unprimeable number, because it can be changed into a prime (72536461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604411 + ... + 604530.

It is an arithmetic number, because the mean of its divisors is an integer number (8462594).

Almost surely, 2^72536460 is an apocalyptic number.

It is an amenable number.

72536460 is an abundant number, since it is smaller than the sum of its proper divisors (130565796).

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

72536460 is a wasteful number, since it uses less digits than its factorization.

72536460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208953 (or 1208951 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 72536460 is about 8516.8339187752. The cubic root of 72536460 is about 417.0474329127.

Adding to 72536460 its reverse (6463527), we get a palindrome (78999987).

The spelling of 72536460 in words is "seventy-two million, five hundred thirty-six thousand, four hundred sixty".