67697641 has 8 divisors (see below), whose sum is σ = 73932768. Its totient is φ = 61476000.

The previous prime is 67697639. The next prime is 67697653. The reversal of 67697641 is 14679676.

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

It is a cyclic number.

It is not a de Polignac number, because 67697641 - 2¹ = 67697639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67697591 and 67697600.

It is not an unprimeable number, because it can be changed into a prime (67697341) 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, 9181 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (9241596).

Almost surely, 2^67697641 is an apocalyptic number.

It is an amenable number.

67697641 is a deficient number, since it is larger than the sum of its proper divisors (6235127).

67697641 is a wasteful number, since it uses less digits than its factorization.

67697641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743.

The product of its digits is 381024, while the sum is 46.

The square root of 67697641 is about 8227.8576190889. The cubic root of 67697641 is about 407.5596480114.

The spelling of 67697641 in words is "sixty-seven million, six hundred ninety-seven thousand, six hundred forty-one".