67992974769 has 8 divisors (see below), whose sum is σ = 90692764480. Its totient is φ = 45310917456.

The previous prime is 67992974747. The next prime is 67992974771. The reversal of 67992974769 is 96747929976.

It is a happy number.

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

It is not a de Polignac number, because 67992974769 - 2¹² = 67992970673 is a prime.

It is a super-2 number, since 2×67992974769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67992974769.

It is not an unprimeable number, because it can be changed into a prime (67992974719) 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, 4424149 + ... + 4439490.

It is an arithmetic number, because the mean of its divisors is an integer number (11336595560).

Almost surely, 2^67992974769 is an apocalyptic number.

It is an amenable number.

67992974769 is a deficient number, since it is larger than the sum of its proper divisors (22699789711).

67992974769 is a wasteful number, since it uses less digits than its factorization.

67992974769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866199.

The product of its digits is 648121824, while the sum is 75.

The spelling of 67992974769 in words is "sixty-seven billion, nine hundred ninety-two million, nine hundred seventy-four thousand, seven hundred sixty-nine".