67905713 has 2 divisors, whose sum is σ = 67905714. Its totient is φ = 67905712.

The previous prime is 67905709. The next prime is 67905727. The reversal of 67905713 is 31750976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35904064 + 32001649 = 5992^2 + 5657^2 .

It is a cyclic number.

It is not a de Polignac number, because 67905713 - 2² = 67905709 is a prime.

It is a super-2 number, since 2×67905713² = 9222371716076738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67905743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33952856 + 33952857.

It is an arithmetic number, because the mean of its divisors is an integer number (33952857).

Almost surely, 2^67905713 is an apocalyptic number.

It is an amenable number.

67905713 is a deficient number, since it is larger than the sum of its proper divisors (1).

67905713 is an equidigital number, since it uses as much as digits as its factorization.

67905713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 67905713 is about 8240.4922789843. The cubic root of 67905713 is about 407.9767724346.

The spelling of 67905713 in words is "sixty-seven million, nine hundred five thousand, seven hundred thirteen".