68724946043 has 8 divisors (see below), whose sum is σ = 74501624736. Its totient is φ = 63018288000.

The previous prime is 68724946039. The next prime is 68724946063. The reversal of 68724946043 is 34064942786.

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 68724946043 - 2² = 68724946039 is a prime.

It is a super-2 number, since 2×68724946043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68724946063) 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, 17503118 + ... + 17507043.

It is an arithmetic number, because the mean of its divisors is an integer number (9312703092).

Almost surely, 2^68724946043 is an apocalyptic number.

68724946043 is a deficient number, since it is larger than the sum of its proper divisors (5776678693).

68724946043 is a wasteful number, since it uses less digits than its factorization.

68724946043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010325.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 68724946043 in words is "sixty-eight billion, seven hundred twenty-four million, nine hundred forty-six thousand, forty-three".