67976609 has 8 divisors (see below), whose sum is σ = 70680000. Its totient is φ = 65297232.

The previous prime is 67976603. The next prime is 67976611. The reversal of 67976609 is 90667976.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67976609 is a prime.

It is a super-2 number, since 2×67976609² = 9241638742277762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67976603) 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, 119 + ... + 11660.

It is an arithmetic number, because the mean of its divisors is an integer number (8835000).

Almost surely, 2^67976609 is an apocalyptic number.

It is an amenable number.

67976609 is a deficient number, since it is larger than the sum of its proper divisors (2703391).

67976609 is a wasteful number, since it uses less digits than its factorization.

67976609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 67976609 is about 8244.7928415455. The cubic root of 67976609 is about 408.1187038467.

The spelling of 67976609 in words is "sixty-seven million, nine hundred seventy-six thousand, six hundred nine".