72230394 has 8 divisors (see below), whose sum is σ = 144460800. Its totient is φ = 24076796.

The previous prime is 72230393. The next prime is 72230413. The reversal of 72230394 is 49303227.

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

72230394 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72230393) 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, 6019194 + ... + 6019205.

It is an arithmetic number, because the mean of its divisors is an integer number (18057600).

Almost surely, 2^72230394 is an apocalyptic number.

72230394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72230394 is a wasteful number, since it uses less digits than its factorization.

72230394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038404.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 72230394 is about 8498.8466276313. The cubic root of 72230394 is about 416.4600317996.

The spelling of 72230394 in words is "seventy-two million, two hundred thirty thousand, three hundred ninety-four".