67272733 has 8 divisors (see below), whose sum is σ = 73996416. Its totient is φ = 61155820.

The previous prime is 67272707. The next prime is 67272739. The reversal of 67272733 is 33727276.

It is not a de Polignac number, because 67272733 - 2¹⁷ = 67141661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67272692 and 67272701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67272739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23941 + ... + 26602.

It is an arithmetic number, because the mean of its divisors is an integer number (9249552).

Almost surely, 2^67272733 is an apocalyptic number.

It is an amenable number.

67272733 is a deficient number, since it is larger than the sum of its proper divisors (6723683).

67272733 is an equidigital number, since it uses as much as digits as its factorization.

67272733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50576 (or 50554 counting only the distinct ones).

The product of its digits is 74088, while the sum is 37.

The square root of 67272733 is about 8201.9956717862. The cubic root of 67272733 is about 406.7051675305.

It can be divided in two parts, 6727273 and 3, that added together give a palindrome (6727276).

The spelling of 67272733 in words is "sixty-seven million, two hundred seventy-two thousand, seven hundred thirty-three".