67140956 has 24 divisors (see below), whose sum is σ = 129820320. Its totient is φ = 30221312.

The previous prime is 67140929. The next prime is 67140959. The reversal of 67140956 is 65904176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67140959) 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 7 ways as a sum of consecutive naturals, for example, 19901 + ... + 23028.

It is an arithmetic number, because the mean of its divisors is an integer number (5409180).

Almost surely, 2^67140956 is an apocalyptic number.

It is an amenable number.

67140956 is a deficient number, since it is larger than the sum of its proper divisors (62679364).

67140956 is a wasteful number, since it uses less digits than its factorization.

67140956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42973 (or 42971 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 67140956 is about 8193.9585061190. The cubic root of 67140956 is about 406.4394361957.

The spelling of 67140956 in words is "sixty-seven million, one hundred forty thousand, nine hundred fifty-six".