73923573 has 4 divisors (see below), whose sum is σ = 98564768. Its totient is φ = 49282380.

The previous prime is 73923569. The next prime is 73923593. The reversal of 73923573 is 37532937.

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 not a de Polignac number, because 73923573 - 2² = 73923569 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 (73923503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12320593 + ... + 12320598.

It is an arithmetic number, because the mean of its divisors is an integer number (24641192).

Almost surely, 2^73923573 is an apocalyptic number.

It is an amenable number.

73923573 is a deficient number, since it is larger than the sum of its proper divisors (24641195).

73923573 is a wasteful number, since it uses less digits than its factorization.

73923573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24641194.

The product of its digits is 119070, while the sum is 39.

The square root of 73923573 is about 8597.8818903262. The cubic root of 73923573 is about 419.6890612426.

The spelling of 73923573 in words is "seventy-three million, nine hundred twenty-three thousand, five hundred seventy-three".