67320542 has 16 divisors (see below), whose sum is σ = 106896240. Its totient is φ = 31742592.

The previous prime is 67320529. The next prime is 67320557. The reversal of 67320542 is 24502376.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11003 + ... + 15990.

It is an arithmetic number, because the mean of its divisors is an integer number (6681015).

Almost surely, 2^67320542 is an apocalyptic number.

67320542 is a deficient number, since it is larger than the sum of its proper divisors (39575698).

67320542 is a wasteful number, since it uses less digits than its factorization.

67320542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27067.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 67320542 is about 8204.9096277777. The cubic root of 67320542 is about 406.8014896813.

The spelling of 67320542 in words is "sixty-seven million, three hundred twenty thousand, five hundred forty-two".