67140536 has 16 divisors (see below), whose sum is σ = 125976600. Its totient is φ = 33546784.

The previous prime is 67140527. The next prime is 67140551. The reversal of 67140536 is 63504176.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17966 + ... + 21378.

Almost surely, 2^67140536 is an apocalyptic number.

It is an amenable number.

67140536 is a deficient number, since it is larger than the sum of its proper divisors (58836064).

67140536 is a wasteful number, since it uses less digits than its factorization.

67140536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 67140536 is about 8193.9328774405. The cubic root of 67140536 is about 406.4385887005.

It can be divided in two parts, 67140 and 536, that added together give a palindrome (67676).

The spelling of 67140536 in words is "sixty-seven million, one hundred forty thousand, five hundred thirty-six".