73893613 has 4 divisors (see below), whose sum is σ = 73957888. Its totient is φ = 73829340.

The previous prime is 73893601. The next prime is 73893619. The reversal of 73893613 is 31639837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73893613 - 2⁵ = 73893581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73893619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30381 + ... + 32722.

It is an arithmetic number, because the mean of its divisors is an integer number (18489472).

Almost surely, 2^73893613 is an apocalyptic number.

It is an amenable number.

73893613 is a deficient number, since it is larger than the sum of its proper divisors (64275).

73893613 is a wasteful number, since it uses less digits than its factorization.

73893613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64274.

The product of its digits is 81648, while the sum is 40.

The square root of 73893613 is about 8596.1394241834. The cubic root of 73893613 is about 419.6323559058.

The spelling of 73893613 in words is "seventy-three million, eight hundred ninety-three thousand, six hundred thirteen".