67954081 has 8 divisors (see below), whose sum is σ = 74004840. Its totient is φ = 62020992.

The previous prime is 67954069. The next prime is 67954099. The reversal of 67954081 is 18045976.

It can be written as a sum of positive squares in 4 ways, for example, as 8910225 + 59043856 = 2985^2 + 7684^2 .

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 67954081 - 2¹¹ = 67952033 is a prime.

It is a super-2 number, since 2×67954081² = 9235514249109122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67954001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28210 + ... + 30523.

It is an arithmetic number, because the mean of its divisors is an integer number (9250605).

Almost surely, 2^67954081 is an apocalyptic number.

It is an amenable number.

67954081 is a deficient number, since it is larger than the sum of its proper divisors (6050759).

67954081 is a wasteful number, since it uses less digits than its factorization.

67954081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58835.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 67954081 is about 8243.4265326986. The cubic root of 67954081 is about 408.0736142483.

The spelling of 67954081 in words is "sixty-seven million, nine hundred fifty-four thousand, eighty-one".