67735665061 has 8 divisors (see below), whose sum is σ = 69198560640. Its totient is φ = 66273674208.

The previous prime is 67735665047. The next prime is 67735665131. The reversal of 67735665061 is 16056653776.

It is a happy number.

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 67735665061 - 2¹⁷ = 67735533989 is a prime.

It is a super-2 number, since 2×67735665061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67735665761) 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, 73731 + ... + 375376.

It is an arithmetic number, because the mean of its divisors is an integer number (8649820080).

Almost surely, 2^67735665061 is an apocalyptic number.

It is an amenable number.

67735665061 is a deficient number, since it is larger than the sum of its proper divisors (1462895579).

67735665061 is a wasteful number, since it uses less digits than its factorization.

67735665061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452363.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 67735665061 in words is "sixty-seven billion, seven hundred thirty-five million, six hundred sixty-five thousand, sixty-one".