73493793 has 6 divisors (see below), whose sum is σ = 106157714. Its totient is φ = 48995856.

The previous prime is 73493789. The next prime is 73493807. The reversal of 73493793 is 39739437.

73493793 is a `hidden beast` number, since 73 + 493 + 7 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71622369 + 1871424 = 8463^2 + 1368^2 .

It is not a de Polignac number, because 73493793 - 2² = 73493789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73493713) 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 5 ways as a sum of consecutive naturals, for example, 4082980 + ... + 4082997.

Almost surely, 2^73493793 is an apocalyptic number.

It is an amenable number.

73493793 is a deficient number, since it is larger than the sum of its proper divisors (32663921).

73493793 is a wasteful number, since it uses less digits than its factorization.

73493793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165983 (or 8165980 counting only the distinct ones).

The product of its digits is 428652, while the sum is 45.

The square root of 73493793 is about 8572.8520925069. The cubic root of 73493793 is about 418.8741445834.

The spelling of 73493793 in words is "seventy-three million, four hundred ninety-three thousand, seven hundred ninety-three".