73252273 has 4 divisors (see below), whose sum is σ = 74810880. Its totient is φ = 71693668.

The previous prime is 73252253. The next prime is 73252279. The reversal of 73252273 is 37225237.

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 73252273 - 2⁵ = 73252241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73252279) 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, 779233 + ... + 779326.

It is an arithmetic number, because the mean of its divisors is an integer number (18702720).

Almost surely, 2^73252273 is an apocalyptic number.

It is an amenable number.

73252273 is a deficient number, since it is larger than the sum of its proper divisors (1558607).

73252273 is a wasteful number, since it uses less digits than its factorization.

73252273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558606.

The product of its digits is 17640, while the sum is 31.

The square root of 73252273 is about 8558.7541733596. The cubic root of 73252273 is about 418.4147973744.

The spelling of 73252273 in words is "seventy-three million, two hundred fifty-two thousand, two hundred seventy-three".