67905061 has 16 divisors (see below), whose sum is σ = 79930368. Its totient is φ = 56476800.

The previous prime is 67905059. The next prime is 67905067. The reversal of 67905061 is 16050976.

It is a cyclic number.

It is not a de Polignac number, because 67905061 - 2¹ = 67905059 is a prime.

It is a super-2 number, since 2×67905061² = 9222194618827442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67905067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63471 + ... + 64531.

It is an arithmetic number, because the mean of its divisors is an integer number (4995648).

Almost surely, 2^67905061 is an apocalyptic number.

It is an amenable number.

67905061 is a deficient number, since it is larger than the sum of its proper divisors (12025307).

67905061 is a wasteful number, since it uses less digits than its factorization.

67905061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 67905061 is about 8240.4527181460. The cubic root of 67905061 is about 407.9754666941.

The spelling of 67905061 in words is "sixty-seven million, nine hundred five thousand, sixty-one".