67769480 has 32 divisors (see below), whose sum is σ = 161452440. Its totient is φ = 25512960.

The previous prime is 67769473. The next prime is 67769501. The reversal of 67769480 is 8496776.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61999876 + 5769604 = 7874^2 + 2402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49151 + ... + 50510.

Almost surely, 2^67769480 is an apocalyptic number.

It is an amenable number.

67769480 is an abundant number, since it is smaller than the sum of its proper divisors (93682960).

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

67769480 is a wasteful number, since it uses less digits than its factorization.

67769480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99689 (or 99685 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 67769480 is about 8232.2220572577. Note that the first 3 decimals coincide. The cubic root of 67769480 is about 407.7037609949.

The spelling of 67769480 in words is "sixty-seven million, seven hundred sixty-nine thousand, four hundred eighty".