68570613 has 12 divisors (see below), whose sum is σ = 103353120. Its totient is φ = 43726056.

The previous prime is 68570611. The next prime is 68570627. The reversal of 68570613 is 31607586.

It is not a de Polignac number, because 68570613 - 2¹ = 68570611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68570611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165423 + ... + 165836.

It is an arithmetic number, because the mean of its divisors is an integer number (8612760).

Almost surely, 2^68570613 is an apocalyptic number.

It is an amenable number.

68570613 is a deficient number, since it is larger than the sum of its proper divisors (34782507).

68570613 is a wasteful number, since it uses less digits than its factorization.

68570613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331288 (or 331285 counting only the distinct ones).

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

The square root of 68570613 is about 8280.7374671583. The cubic root of 68570613 is about 409.3040205048.

The spelling of 68570613 in words is "sixty-eight million, five hundred seventy thousand, six hundred thirteen".