73730273 has 8 divisors (see below), whose sum is σ = 75221376. Its totient is φ = 72248400.

The previous prime is 73730269. The next prime is 73730291. The reversal of 73730273 is 37203737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73730273 - 2² = 73730269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73733273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15128 + ... + 19398.

It is an arithmetic number, because the mean of its divisors is an integer number (9402672).

Almost surely, 2^73730273 is an apocalyptic number.

It is an amenable number.

73730273 is a deficient number, since it is larger than the sum of its proper divisors (1491103).

73730273 is a wasteful number, since it uses less digits than its factorization.

73730273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 73730273 is about 8586.6333914987. The cubic root of 73730273 is about 419.3229321619.

The spelling of 73730273 in words is "seventy-three million, seven hundred thirty thousand, two hundred seventy-three".