67764448 has 24 divisors (see below), whose sum is σ = 141260112. Its totient is φ = 31888896.

The previous prime is 67764443. The next prime is 67764461. The reversal of 67764448 is 84446776.

It is a junction number, because it is equal to n+sod(n) for n = 67764398 and 67764407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67764443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61740 + ... + 62827.

It is an arithmetic number, because the mean of its divisors is an integer number (5885838).

Almost surely, 2^67764448 is an apocalyptic number.

67764448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

67764448 is an abundant number, since it is smaller than the sum of its proper divisors (73495664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67764448 is a wasteful number, since it uses less digits than its factorization.

67764448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124594 (or 124586 counting only the distinct ones).

The product of its digits is 903168, while the sum is 46.

The square root of 67764448 is about 8231.9164232881. The cubic root of 67764448 is about 407.6936698442.

The spelling of 67764448 in words is "sixty-seven million, seven hundred sixty-four thousand, four hundred forty-eight".