68615073 has 16 divisors (see below), whose sum is σ = 105158400. Its totient is φ = 44165520.

The previous prime is 68614999. The next prime is 68615083. The reversal of 68615073 is 37051686.

It is not a de Polignac number, because 68615073 - 2⁹ = 68614561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68615083) 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, 43033 + ... + 44598.

It is an arithmetic number, because the mean of its divisors is an integer number (6572400).

Almost surely, 2^68615073 is an apocalyptic number.

It is an amenable number.

68615073 is a deficient number, since it is larger than the sum of its proper divisors (36543327).

68615073 is a wasteful number, since it uses less digits than its factorization.

68615073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87669 (or 87663 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 68615073 is about 8283.4215756534. The cubic root of 68615073 is about 409.3924632762.

The spelling of 68615073 in words is "sixty-eight million, six hundred fifteen thousand, seventy-three".