67664950 has 24 divisors (see below), whose sum is σ = 127112400. Its totient is φ = 26796000.

The previous prime is 67664939. The next prime is 67664951. The reversal of 67664950 is 5946676.

It is a junction number, because it is equal to n+sod(n) for n = 67664897 and 67664906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67664951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (5296350).

Almost surely, 2^67664950 is an apocalyptic number.

67664950 is a deficient number, since it is larger than the sum of its proper divisors (59447450).

67664950 is a wasteful number, since it uses less digits than its factorization.

67664950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512 (or 13507 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 67664950 is about 8225.8707745746. The cubic root of 67664950 is about 407.4940343137.

The spelling of 67664950 in words is "sixty-seven million, six hundred sixty-four thousand, nine hundred fifty".