67404674464 has 12 divisors (see below), whose sum is σ = 132702952914. Its totient is φ = 33702337216.

The previous prime is 67404674461. The next prime is 67404674479. The reversal of 67404674464 is 46447640476.

67404674464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43719464464 + 23685210000 = 209092^2 + 153900^2 .

It is not an unprimeable number, because it can be changed into a prime (67404674461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053198007 + ... + 1053198070.

Almost surely, 2^67404674464 is an apocalyptic number.

It is an amenable number.

67404674464 is a deficient number, since it is larger than the sum of its proper divisors (65298278450).

67404674464 is a wasteful number, since it uses less digits than its factorization.

67404674464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106396087 (or 2106396079 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 52.

The spelling of 67404674464 in words is "sixty-seven billion, four hundred four million, six hundred seventy-four thousand, four hundred sixty-four".