67538233 has 16 divisors (see below), whose sum is σ = 78447616. Its totient is φ = 56952720.

The previous prime is 67538221. The next prime is 67538239. The reversal of 67538233 is 33283576.

It is a cyclic number.

It is not a de Polignac number, because 67538233 - 2¹³ = 67530041 is a prime.

It is a super-2 number, since 2×67538233² = 9122825833524578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67538192 and 67538201.

It is not an unprimeable number, because it can be changed into a prime (67538239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203878 + ... + 204208.

It is an arithmetic number, because the mean of its divisors is an integer number (4902976).

Almost surely, 2^67538233 is an apocalyptic number.

It is an amenable number.

67538233 is a deficient number, since it is larger than the sum of its proper divisors (10909383).

67538233 is a wasteful number, since it uses less digits than its factorization.

67538233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its digits is 90720, while the sum is 37.

The square root of 67538233 is about 8218.1648194716. The cubic root of 67538233 is about 407.2395022971.

The spelling of 67538233 in words is "sixty-seven million, five hundred thirty-eight thousand, two hundred thirty-three".