67389272 has 16 divisors (see below), whose sum is σ = 130712400. Its totient is φ = 32532640.

The previous prime is 67389271. The next prime is 67389307. The reversal of 67389272 is 27298376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67389271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145004 + ... + 145467.

It is an arithmetic number, because the mean of its divisors is an integer number (8169525).

Almost surely, 2^67389272 is an apocalyptic number.

It is an amenable number.

67389272 is a deficient number, since it is larger than the sum of its proper divisors (63323128).

67389272 is a wasteful number, since it uses less digits than its factorization.

67389272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290506 (or 290502 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 67389272 is about 8209.0969052631. The cubic root of 67389272 is about 406.9398820947.

The spelling of 67389272 in words is "sixty-seven million, three hundred eighty-nine thousand, two hundred seventy-two".