67140494 has 4 divisors (see below), whose sum is σ = 100710744. Its totient is φ = 33570246.

The previous prime is 67140449. The next prime is 67140503. The reversal of 67140494 is 49404176.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 16785122 + ... + 16785125.

It is an arithmetic number, because the mean of its divisors is an integer number (25177686).

Almost surely, 2^67140494 is an apocalyptic number.

67140494 is a deficient number, since it is larger than the sum of its proper divisors (33570250).

67140494 is a wasteful number, since it uses less digits than its factorization.

67140494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570249.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 67140494 is about 8193.9303145682. The cubic root of 67140494 is about 406.4385039508.

The spelling of 67140494 in words is "sixty-seven million, one hundred forty thousand, four hundred ninety-four".