67213701 has 6 divisors (see below), whose sum is σ = 97086470. Its totient is φ = 44809128.

The previous prime is 67213681. The next prime is 67213711. The reversal of 67213701 is 10731276.

It can be written as a sum of positive squares in only one way, i.e., 63584676 + 3629025 = 7974^2 + 1905^2 .

It is not a de Polignac number, because 67213701 - 2⁵ = 67213669 is a prime.

It is a super-3 number, since 3×67213701³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67213711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3734086 + ... + 3734103.

Almost surely, 2^67213701 is an apocalyptic number.

It is an amenable number.

67213701 is a deficient number, since it is larger than the sum of its proper divisors (29872769).

67213701 is a wasteful number, since it uses less digits than its factorization.

67213701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468195 (or 7468192 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 67213701 is about 8198.3962456080. The cubic root of 67213701 is about 406.5861710993.

Adding to 67213701 its reverse (10731276), we get a palindrome (77944977).

The spelling of 67213701 in words is "sixty-seven million, two hundred thirteen thousand, seven hundred one".