68472313 has 16 divisors (see below), whose sum is σ = 84623616. Its totient is φ = 53951040.

The previous prime is 68472293. The next prime is 68472319. The reversal of 68472313 is 31327486.

It is a happy number.

It is not a de Polignac number, because 68472313 - 2²¹ = 66375161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68472319) 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, 22503 + ... + 25363.

It is an arithmetic number, because the mean of its divisors is an integer number (5288976).

Almost surely, 2^68472313 is an apocalyptic number.

It is an amenable number.

68472313 is a deficient number, since it is larger than the sum of its proper divisors (16151303).

68472313 is a wasteful number, since it uses less digits than its factorization.

68472313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144.

The product of its digits is 24192, while the sum is 34.

The square root of 68472313 is about 8274.7998767342. The cubic root of 68472313 is about 409.1083398529.

Adding to 68472313 its reverse (31327486), we get a palindrome (99799799).

The spelling of 68472313 in words is "sixty-eight million, four hundred seventy-two thousand, three hundred thirteen".