67213356 has 24 divisors (see below), whose sum is σ = 179235840. Its totient is φ = 19203792.

The previous prime is 67213351. The next prime is 67213361. The reversal of 67213356 is 65331276.

It is an interprime number because it is at equal distance from previous prime (67213351) and next prime (67213361).

It is not an unprimeable number, because it can be changed into a prime (67213351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399996 + ... + 400163.

It is an arithmetic number, because the mean of its divisors is an integer number (7468160).

Almost surely, 2^67213356 is an apocalyptic number.

It is an amenable number.

67213356 is an abundant number, since it is smaller than the sum of its proper divisors (112022484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67213356 is a wasteful number, since it uses less digits than its factorization.

67213356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800173 (or 800171 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 67213356 is about 8198.3752048805. The cubic root of 67213356 is about 406.5854754452.

It can be divided in two parts, 672 and 13356, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 67213356 in words is "sixty-seven million, two hundred thirteen thousand, three hundred fifty-six".