68710473 has 12 divisors (see below), whose sum is σ = 106883140. Its totient is φ = 42283296.

The previous prime is 68710469. The next prime is 68710489. The reversal of 68710473 is 37401786.

It can be written as a sum of positive squares in 2 ways, for example, as 28869129 + 39841344 = 5373^2 + 6312^2 .

It is not a de Polignac number, because 68710473 - 2² = 68710469 is a prime.

It is a super-2 number, since 2×68710473² = 9442258199767458, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68710493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293518 + ... + 293751.

Almost surely, 2^68710473 is an apocalyptic number.

It is an amenable number.

68710473 is a deficient number, since it is larger than the sum of its proper divisors (38172667).

68710473 is a wasteful number, since it uses less digits than its factorization.

68710473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587288 (or 587285 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 68710473 is about 8289.1780654055. The cubic root of 68710473 is about 409.5821104025.

The spelling of 68710473 in words is "sixty-eight million, seven hundred ten thousand, four hundred seventy-three".