68703751 has 8 divisors (see below), whose sum is σ = 70308000. Its totient is φ = 67115040.

The previous prime is 68703683. The next prime is 68703757. The reversal of 68703751 is 15730786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68703751 - 2¹³ = 68695559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68703751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68703757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5310 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (8788500).

Almost surely, 2^68703751 is an apocalyptic number.

68703751 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

68703751 is a deficient number, since it is larger than the sum of its proper divisors (1604249).

68703751 is a wasteful number, since it uses less digits than its factorization.

68703751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 68703751 is about 8288.7725870602. The cubic root of 68703751 is about 409.5687533861.

The spelling of 68703751 in words is "sixty-eight million, seven hundred three thousand, seven hundred fifty-one".