73246821 has 16 divisors (see below), whose sum is σ = 100383744. Its totient is φ = 47484144.

The previous prime is 73246819. The next prime is 73246841. The reversal of 73246821 is 12864237.

It is not a de Polignac number, because 73246821 - 2¹ = 73246819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73246841) 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, 21390 + ... + 24576.

It is an arithmetic number, because the mean of its divisors is an integer number (6273984).

Almost surely, 2^73246821 is an apocalyptic number.

It is an amenable number.

73246821 is a deficient number, since it is larger than the sum of its proper divisors (27136923).

73246821 is a wasteful number, since it uses less digits than its factorization.

73246821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400.

The product of its digits is 16128, while the sum is 33.

The square root of 73246821 is about 8558.4356631338. The cubic root of 73246821 is about 418.4044165631.

The spelling of 73246821 in words is "seventy-three million, two hundred forty-six thousand, eight hundred twenty-one".