68617012 has 12 divisors (see below), whose sum is σ = 123953536. Its totient is φ = 33201720.

The previous prime is 68617001. The next prime is 68617019. The reversal of 68617012 is 21071686.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68617019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276558 + ... + 276805.

Almost surely, 2^68617012 is an apocalyptic number.

68617012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

68617012 is a deficient number, since it is larger than the sum of its proper divisors (55336524).

68617012 is a wasteful number, since it uses less digits than its factorization.

68617012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553398 (or 553396 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 68617012 is about 8283.5386158332. The cubic root of 68617012 is about 409.3963195936.

Adding to 68617012 its reverse (21071686), we get a palindrome (89688698).

The spelling of 68617012 in words is "sixty-eight million, six hundred seventeen thousand, twelve".