72313460 has 24 divisors (see below), whose sum is σ = 152323080. Its totient is φ = 28836864.

The previous prime is 72313459. The next prime is 72313469. The reversal of 72313460 is 6431327.

It can be written as a sum of positive squares in 4 ways, for example, as 7639696 + 64673764 = 2764^2 + 8042^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72313469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (6346795).

Almost surely, 2^72313460 is an apocalyptic number.

It is an amenable number.

72313460 is an abundant number, since it is smaller than the sum of its proper divisors (80009620).

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

72313460 is a wasteful number, since it uses less digits than its factorization.

72313460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075 (or 11073 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 72313460 is about 8503.7321218392. The cubic root of 72313460 is about 416.6196156649.

Adding to 72313460 its reverse (6431327), we get a palindrome (78744787).

The spelling of 72313460 in words is "seventy-two million, three hundred thirteen thousand, four hundred sixty".