68733406 has 16 divisors (see below), whose sum is σ = 118425600. Its totient is φ = 29307960.

The previous prime is 68733391. The next prime is 68733409. The reversal of 68733406 is 60433786.

It is a happy number.

It is a super-2 number, since 2×68733406² = 9448562200721672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68733409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9550 + ... + 15121.

It is an arithmetic number, because the mean of its divisors is an integer number (7401600).

Almost surely, 2^68733406 is an apocalyptic number.

68733406 is a deficient number, since it is larger than the sum of its proper divisors (49692194).

68733406 is a wasteful number, since it uses less digits than its factorization.

68733406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24879.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 68733406 is about 8290.5612596494. The cubic root of 68733406 is about 409.6276730914.

The spelling of 68733406 in words is "sixty-eight million, seven hundred thirty-three thousand, four hundred six".