68028701 has 4 divisors (see below), whose sum is σ = 73261692. Its totient is φ = 62795712.

The previous prime is 68028691. The next prime is 68028703. The reversal of 68028701 is 10782086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2839225 + 65189476 = 1685^2 + 8074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68028701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68028703) 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, 2616476 + ... + 2616501.

It is an arithmetic number, because the mean of its divisors is an integer number (18315423).

Almost surely, 2^68028701 is an apocalyptic number.

It is an amenable number.

68028701 is a deficient number, since it is larger than the sum of its proper divisors (5232991).

68028701 is a wasteful number, since it uses less digits than its factorization.

68028701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232990.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 68028701 is about 8247.9513213888. The cubic root of 68028701 is about 408.2229274002. Note that the first 3 decimals are identical.

The spelling of 68028701 in words is "sixty-eight million, twenty-eight thousand, seven hundred one".