68051270 has 16 divisors (see below), whose sum is σ = 139991328. Its totient is φ = 23331840.

The previous prime is 68051261. The next prime is 68051281. The reversal of 68051270 is 7215086.

It is a super-2 number, since 2×68051270² = 9261950697225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486011 + ... + 486150.

It is an arithmetic number, because the mean of its divisors is an integer number (8749458).

Almost surely, 2^68051270 is an apocalyptic number.

68051270 is an abundant number, since it is smaller than the sum of its proper divisors (71940058).

68051270 is a wasteful number, since it uses less digits than its factorization.

68051270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972175.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 68051270 is about 8249.3193658629. The cubic root of 68051270 is about 408.2680660180.

The spelling of 68051270 in words is "sixty-eight million, fifty-one thousand, two hundred seventy".