67275091 has 8 divisors (see below), whose sum is σ = 74135600. Its totient is φ = 60655392.

The previous prime is 67275077. The next prime is 67275097. The reversal of 67275091 is 19057276.

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 67275091 - 2⁹ = 67274579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67275091.

It is not an unprimeable number, because it can be changed into a prime (67275097) 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, 59616 + ... + 60733.

It is an arithmetic number, because the mean of its divisors is an integer number (9266950).

Almost surely, 2^67275091 is an apocalyptic number.

67275091 is a deficient number, since it is larger than the sum of its proper divisors (6860509).

67275091 is a wasteful number, since it uses less digits than its factorization.

67275091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120405.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 67275091 is about 8202.1394160304. The cubic root of 67275091 is about 406.7099193298.

The spelling of 67275091 in words is "sixty-seven million, two hundred seventy-five thousand, ninety-one".