68394372 has 24 divisors (see below), whose sum is σ = 161169792. Its totient is φ = 22572000.

The previous prime is 68394367. The next prime is 68394377. The reversal of 68394372 is 27349386.

It is an interprime number because it is at equal distance from previous prime (68394367) and next prime (68394377).

It is not an unprimeable number, because it can be changed into a prime (68394377) 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, 27004 + ... + 29427.

It is an arithmetic number, because the mean of its divisors is an integer number (6715408).

Almost surely, 2^68394372 is an apocalyptic number.

It is an amenable number.

68394372 is an abundant number, since it is smaller than the sum of its proper divisors (92775420).

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

68394372 is a wasteful number, since it uses less digits than its factorization.

68394372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56539 (or 56537 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 68394372 is about 8270.0889958936. The cubic root of 68394372 is about 408.9530536360.

It can be divided in two parts, 6839 and 4372, that added together give a palindrome (11211).

The spelling of 68394372 in words is "sixty-eight million, three hundred ninety-four thousand, three hundred seventy-two".