67964274 has 72 divisors (see below), whose sum is σ = 172540368. Its totient is φ = 19278000.

The previous prime is 67964269. The next prime is 67964279. The reversal of 67964274 is 47246976.

It is an interprime number because it is at equal distance from previous prime (67964269) and next prime (67964279).

It is not an unprimeable number, because it can be changed into a prime (67964279) 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 35 ways as a sum of consecutive naturals, for example, 221229 + ... + 221535.

It is an arithmetic number, because the mean of its divisors is an integer number (2396394).

Almost surely, 2^67964274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67964274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86270184).

67964274 is an abundant number, since it is smaller than the sum of its proper divisors (104576094).

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

67964274 is a wasteful number, since it uses less digits than its factorization.

67964274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 570 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 67964274 is about 8244.0447597038. The cubic root of 67964274 is about 408.0940166844.

The spelling of 67964274 in words is "sixty-seven million, nine hundred sixty-four thousand, two hundred seventy-four".