72481461 has 16 divisors (see below), whose sum is σ = 104447616. Its totient is φ = 44444736.

The previous prime is 72481459. The next prime is 72481463. The reversal of 72481461 is 16418427.

It is an interprime number because it is at equal distance from previous prime (72481459) and next prime (72481463).

It is not a de Polignac number, because 72481461 - 2¹ = 72481459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72481463) 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, 8256 + ... + 14598.

It is an arithmetic number, because the mean of its divisors is an integer number (6527976).

Almost surely, 2^72481461 is an apocalyptic number.

It is an amenable number.

72481461 is a deficient number, since it is larger than the sum of its proper divisors (31966155).

72481461 is a wasteful number, since it uses less digits than its factorization.

72481461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652.

The product of its digits is 10752, while the sum is 33.

The square root of 72481461 is about 8513.6044657947. The cubic root of 72481461 is about 416.9420009162.

Adding to 72481461 its reverse (16418427), we get a palindrome (88899888).

The spelling of 72481461 in words is "seventy-two million, four hundred eighty-one thousand, four hundred sixty-one".