67768497 has 24 divisors (see below), whose sum is σ = 105834560. Its totient is φ = 41640480.

The previous prime is 67768487. The next prime is 67768523. The reversal of 67768497 is 79486776.

It is not a de Polignac number, because 67768497 - 2⁷ = 67768369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67768417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 972 + ... + 11682.

Almost surely, 2^67768497 is an apocalyptic number.

It is an amenable number.

67768497 is a deficient number, since it is larger than the sum of its proper divisors (38066063).

67768497 is a wasteful number, since it uses less digits than its factorization.

67768497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10773 (or 10770 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 67768497 is about 8232.1623526264. The cubic root of 67768497 is about 407.7017897303.

It can be divided in two parts, 67768 and 497, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 67768497 in words is "sixty-seven million, seven hundred sixty-eight thousand, four hundred ninety-seven".