73926513 has 20 divisors (see below), whose sum is σ = 111583780. Its totient is φ = 48776256.

The previous prime is 73926497. The next prime is 73926563. The reversal of 73926513 is 31562937.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 7144929 + 66781584 = 2673^2 + 8172^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=291.

It is not a de Polignac number, because 73926513 - 2⁴ = 73926497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73926563) 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 19 ways as a sum of consecutive naturals, for example, 762081 + ... + 762177.

It is an arithmetic number, because the mean of its divisors is an integer number (5579189).

Almost surely, 2^73926513 is an apocalyptic number.

It is an amenable number.

73926513 is a deficient number, since it is larger than the sum of its proper divisors (37657267).

73926513 is an frugal number, since it uses more digits than its factorization.

73926513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 100 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 73926513 is about 8598.0528609680. The cubic root of 73926513 is about 419.6946249595.

The spelling of 73926513 in words is "seventy-three million, nine hundred twenty-six thousand, five hundred thirteen".