73664942 has 16 divisors (see below), whose sum is σ = 120950592. Its totient is φ = 33441120.

The previous prime is 73664939. The next prime is 73664947. The reversal of 73664942 is 24946637.

It is a self number, because there is not a number n which added to its sum of digits gives 73664942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73664947) 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, 21638 + ... + 24809.

It is an arithmetic number, because the mean of its divisors is an integer number (7559412).

Almost surely, 2^73664942 is an apocalyptic number.

73664942 is a deficient number, since it is larger than the sum of its proper divisors (47285650).

73664942 is a wasteful number, since it uses less digits than its factorization.

73664942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46523.

The product of its digits is 217728, while the sum is 41.

The square root of 73664942 is about 8582.8283217131. The cubic root of 73664942 is about 419.1990441908.

The spelling of 73664942 in words is "seventy-three million, six hundred sixty-four thousand, nine hundred forty-two".