67713442 has 8 divisors (see below), whose sum is σ = 102469356. Its totient is φ = 33556992.

The previous prime is 67713421. The next prime is 67713461. The reversal of 67713442 is 24431776.

It can be written as a sum of positive squares in 2 ways, for example, as 66438801 + 1274641 = 8151^2 + 1129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×67713442² = 9170220454974728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67713398 and 67713407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149583 + ... + 150034.

Almost surely, 2^67713442 is an apocalyptic number.

67713442 is a deficient number, since it is larger than the sum of its proper divisors (34755914).

67713442 is a wasteful number, since it uses less digits than its factorization.

67713442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299732.

The product of its digits is 28224, while the sum is 34.

The square root of 67713442 is about 8228.8177765703. The cubic root of 67713442 is about 407.5913544290.

The spelling of 67713442 in words is "sixty-seven million, seven hundred thirteen thousand, four hundred forty-two".