72730627 has 4 divisors (see below), whose sum is σ = 73100016. Its totient is φ = 72361240.

The previous prime is 72730601. The next prime is 72730631. The reversal of 72730627 is 72603727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72730627 - 2¹⁹ = 72206339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72730592 and 72730601.

It is not an unprimeable number, because it can be changed into a prime (72730127) 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, 184399 + ... + 184792.

It is an arithmetic number, because the mean of its divisors is an integer number (18275004).

Almost surely, 2^72730627 is an apocalyptic number.

72730627 is a deficient number, since it is larger than the sum of its proper divisors (369389).

72730627 is a wasteful number, since it uses less digits than its factorization.

72730627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369388.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 72730627 is about 8528.2253136277. The cubic root of 72730627 is about 417.4192215861.

The spelling of 72730627 in words is "seventy-two million, seven hundred thirty thousand, six hundred twenty-seven".