68660701 has 4 divisors (see below), whose sum is σ = 69162012. Its totient is φ = 68159392.

The previous prime is 68660693. The next prime is 68660707. The reversal of 68660701 is 10706686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10706686 = 2 ⋅5353343.

It can be written as a sum of positive squares in 2 ways, for example, as 18619225 + 50041476 = 4315^2 + 7074^2 .

It is a cyclic number.

It is not a de Polignac number, because 68660701 - 2³ = 68660693 is a prime.

It is a super-2 number, since 2×68660701² = 9428583723622802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68660707) 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, 250450 + ... + 250723.

It is an arithmetic number, because the mean of its divisors is an integer number (17290503).

Almost surely, 2^68660701 is an apocalyptic number.

It is an amenable number.

68660701 is a deficient number, since it is larger than the sum of its proper divisors (501311).

68660701 is a wasteful number, since it uses less digits than its factorization.

68660701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501310.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 68660701 is about 8286.1752938253. The cubic root of 68660701 is about 409.4831897956.

The spelling of 68660701 in words is "sixty-eight million, six hundred sixty thousand, seven hundred one".