67282261 has 8 divisors (see below), whose sum is σ = 68268600. Its totient is φ = 66302400.

The previous prime is 67282253. The next prime is 67282273. The reversal of 67282261 is 16228276.

It can be written as a sum of positive squares in 4 ways, for example, as 56160036 + 11122225 = 7494^2 + 3335^2 .

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 67282261 - 2³ = 67282253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67282231) 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, 21675 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (8533575).

Almost surely, 2^67282261 is an apocalyptic number.

It is an amenable number.

67282261 is a deficient number, since it is larger than the sum of its proper divisors (986339).

67282261 is a wasteful number, since it uses less digits than its factorization.

67282261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its digits is 16128, while the sum is 34.

The square root of 67282261 is about 8202.5764854709. The cubic root of 67282261 is about 406.7243675031.

The spelling of 67282261 in words is "sixty-seven million, two hundred eighty-two thousand, two hundred sixty-one".