68628647270 has 8 divisors (see below), whose sum is σ = 123531565104. Its totient is φ = 27451458904.

The previous prime is 68628647239. The next prime is 68628647287. The reversal of 68628647270 is 7274682686.

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

It is a super-2 number, since 2×68628647270² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431432354 + ... + 3431432373.

It is an arithmetic number, because the mean of its divisors is an integer number (15441445638).

Almost surely, 2^68628647270 is an apocalyptic number.

68628647270 is a deficient number, since it is larger than the sum of its proper divisors (54902917834).

68628647270 is a wasteful number, since it uses less digits than its factorization.

68628647270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862864734.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 68628647270 in words is "sixty-eight billion, six hundred twenty-eight million, six hundred forty-seven thousand, two hundred seventy".