72394395 has 8 divisors (see below), whose sum is σ = 115831056. Its totient is φ = 38610336.

The previous prime is 72394391. The next prime is 72394463. The reversal of 72394395 is 59349327.

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

It is not a de Polignac number, because 72394395 - 2² = 72394391 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72394391) 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, 2413132 + ... + 2413161.

It is an arithmetic number, because the mean of its divisors is an integer number (14478882).

Almost surely, 2^72394395 is an apocalyptic number.

72394395 is a deficient number, since it is larger than the sum of its proper divisors (43436661).

72394395 is a wasteful number, since it uses less digits than its factorization.

72394395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826301.

The product of its digits is 204120, while the sum is 42.

The square root of 72394395 is about 8508.4895839391. The cubic root of 72394395 is about 416.7749880149.

The spelling of 72394395 in words is "seventy-two million, three hundred ninety-four thousand, three hundred ninety-five".