68307003 has 16 divisors (see below), whose sum is σ = 107148960. Its totient is φ = 42859008.

The previous prime is 68306993. The next prime is 68307013. The reversal of 68307003 is 30070386.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68306993) and next prime (68307013).

It is not a de Polignac number, because 68307003 - 2¹² = 68302907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (68307013) 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, 73950 + ... + 74867.

It is an arithmetic number, because the mean of its divisors is an integer number (6696810).

Almost surely, 2^68307003 is an apocalyptic number.

68307003 is a deficient number, since it is larger than the sum of its proper divisors (38841957).

68307003 is a wasteful number, since it uses less digits than its factorization.

68307003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148843 (or 148837 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 68307003 is about 8264.8050793712. The cubic root of 68307003 is about 408.7788431797.

Adding to 68307003 its reverse (30070386), we get a palindrome (98377389).

The spelling of 68307003 in words is "sixty-eight million, three hundred seven thousand, three".