67140884 has 6 divisors (see below), whose sum is σ = 117496554. Its totient is φ = 33570440.

The previous prime is 67140883. The next prime is 67140911. The reversal of 67140884 is 48804176.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 228484 = 8180^2 + 478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67140883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8392607 + ... + 8392614.

It is an arithmetic number, because the mean of its divisors is an integer number (19582759).

Almost surely, 2^67140884 is an apocalyptic number.

It is an amenable number.

67140884 is a deficient number, since it is larger than the sum of its proper divisors (50355670).

67140884 is a wasteful number, since it uses less digits than its factorization.

67140884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16785225 (or 16785223 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 67140884 is about 8193.9541126370. The cubic root of 67140884 is about 406.4392909111.

The spelling of 67140884 in words is "sixty-seven million, one hundred forty thousand, eight hundred eighty-four".