67938764 has 48 divisors (see below), whose sum is σ = 127552320. Its totient is φ = 31610880.

The previous prime is 67938751. The next prime is 67938769. The reversal of 67938764 is 46783976.

67938764 = 5² + 6² + ... + 588².

Its product of digits (1524096) is a multiple of the sum of its prime divisors (288).

It is not an unprimeable number, because it can be changed into a prime (67938769) 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 15 ways as a sum of consecutive naturals, for example, 601172 + ... + 601284.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 2^67938764 is an apocalyptic number.

It is an amenable number.

67938764 is a deficient number, since it is larger than the sum of its proper divisors (59613556).

67938764 is a wasteful number, since it uses less digits than its factorization.

67938764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 67938764 is about 8242.4974370636. The cubic root of 67938764 is about 408.0429517129.

The spelling of 67938764 in words is "sixty-seven million, nine hundred thirty-eight thousand, seven hundred sixty-four".