73723255 has 4 divisors (see below), whose sum is σ = 88467912. Its totient is φ = 58978600.

The previous prime is 73723253. The next prime is 73723259. The reversal of 73723255 is 55232737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55232737 = 7 ⋅7890391.

It is not a de Polignac number, because 73723255 - 2¹ = 73723253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73723255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73723253) 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, 7372321 + ... + 7372330.

It is an arithmetic number, because the mean of its divisors is an integer number (22116978).

Almost surely, 2^73723255 is an apocalyptic number.

73723255 is a deficient number, since it is larger than the sum of its proper divisors (14744657).

73723255 is a wasteful number, since it uses less digits than its factorization.

73723255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744656.

The product of its digits is 44100, while the sum is 34.

The square root of 73723255 is about 8586.2247233578. The cubic root of 73723255 is about 419.3096273524.

The spelling of 73723255 in words is "seventy-three million, seven hundred twenty-three thousand, two hundred fifty-five".