68970751 has 4 divisors (see below), whose sum is σ = 73027872. Its totient is φ = 64913632.

The previous prime is 68970719. The next prime is 68970821. The reversal of 68970751 is 15707986.

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

It is a cyclic number.

It is not a de Polignac number, because 68970751 - 2⁵ = 68970719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68970698 and 68970707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68979751) 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, 2028535 + ... + 2028568.

It is an arithmetic number, because the mean of its divisors is an integer number (18256968).

Almost surely, 2^68970751 is an apocalyptic number.

68970751 is a deficient number, since it is larger than the sum of its proper divisors (4057121).

68970751 is a wasteful number, since it uses less digits than its factorization.

68970751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057120.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 68970751 is about 8304.8630933929. The cubic root of 68970751 is about 410.0986298509.

The spelling of 68970751 in words is "sixty-eight million, nine hundred seventy thousand, seven hundred fifty-one".