72300445 has 8 divisors (see below), whose sum is σ = 99154944. Its totient is φ = 49577424.

The previous prime is 72300421. The next prime is 72300467. The reversal of 72300445 is 54400327.

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

It is a cyclic number.

It is not a de Polignac number, because 72300445 - 2⁵ = 72300413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032829 + ... + 1032898.

It is an arithmetic number, because the mean of its divisors is an integer number (12394368).

Almost surely, 2^72300445 is an apocalyptic number.

It is an amenable number.

72300445 is a deficient number, since it is larger than the sum of its proper divisors (26854499).

72300445 is a wasteful number, since it uses less digits than its factorization.

72300445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065739.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 72300445 is about 8502.9668351699. The cubic root of 72300445 is about 416.5946197207.

The spelling of 72300445 in words is "seventy-two million, three hundred thousand, four hundred forty-five".