73050921 has 24 divisors (see below), whose sum is σ = 116588160. Its totient is φ = 43840896.

The previous prime is 73050919. The next prime is 73050941. The reversal of 73050921 is 12905037.

It is not a de Polignac number, because 73050921 - 2¹ = 73050919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73050941) 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 23 ways as a sum of consecutive naturals, for example, 6861 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (4857840).

Almost surely, 2^73050921 is an apocalyptic number.

It is an amenable number.

73050921 is a deficient number, since it is larger than the sum of its proper divisors (43537239).

73050921 is a wasteful number, since it uses less digits than its factorization.

73050921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20805 (or 20802 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 73050921 is about 8546.9831519665. The cubic root of 73050921 is about 418.0310733675.

Adding to 73050921 its reverse (12905037), we get a palindrome (85955958).

The spelling of 73050921 in words is "seventy-three million, fifty thousand, nine hundred twenty-one".