67540695 has 16 divisors (see below), whose sum is σ = 109547232. Its totient is φ = 35527680.

The previous prime is 67540691. The next prime is 67540699. The reversal of 67540695 is 59604576.

It is an interprime number because it is at equal distance from previous prime (67540691) and next prime (67540699).

It is not a de Polignac number, because 67540695 - 2² = 67540691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67540691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29746 + ... + 31935.

It is an arithmetic number, because the mean of its divisors is an integer number (6846702).

Almost surely, 2^67540695 is an apocalyptic number.

67540695 is a deficient number, since it is larger than the sum of its proper divisors (42006537).

67540695 is a wasteful number, since it uses less digits than its factorization.

67540695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61762.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 67540695 is about 8218.3146082393. The cubic root of 67540695 is about 407.2444506621.

The spelling of 67540695 in words is "sixty-seven million, five hundred forty thousand, six hundred ninety-five".