67106972 has 12 divisors (see below), whose sum is σ = 118578096. Its totient is φ = 33227520.

The previous prime is 67106903. The next prime is 67106983. The reversal of 67106972 is 27960176.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81029 + ... + 81852.

It is an arithmetic number, because the mean of its divisors is an integer number (9881508).

Almost surely, 2^67106972 is an apocalyptic number.

It is an amenable number.

67106972 is a deficient number, since it is larger than the sum of its proper divisors (51471124).

67106972 is a wasteful number, since it uses less digits than its factorization.

67106972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162988 (or 162986 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 67106972 is about 8191.8845206704. The cubic root of 67106972 is about 406.3708502947.

The spelling of 67106972 in words is "sixty-seven million, one hundred six thousand, nine hundred seventy-two".