67542266 has 16 divisors (see below), whose sum is σ = 110658528. Its totient is φ = 30663600.

The previous prime is 67542263. The next prime is 67542269. The reversal of 67542266 is 66224576.

It is an interprime number because it is at equal distance from previous prime (67542263) and next prime (67542269).

It is not an unprimeable number, because it can be changed into a prime (67542263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25421 + ... + 27951.

It is an arithmetic number, because the mean of its divisors is an integer number (6916158).

Almost surely, 2^67542266 is an apocalyptic number.

67542266 is a deficient number, since it is larger than the sum of its proper divisors (43116262).

67542266 is a wasteful number, since it uses less digits than its factorization.

67542266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757.

The product of its digits is 120960, while the sum is 38.

The square root of 67542266 is about 8218.4101868914. The cubic root of 67542266 is about 407.2476081465.

The spelling of 67542266 in words is "sixty-seven million, five hundred forty-two thousand, two hundred sixty-six".