72219395 has 8 divisors (see below), whose sum is σ = 86734320. Its totient is φ = 57728160.

The previous prime is 72219353. The next prime is 72219397. The reversal of 72219395 is 59391227.

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

It is not a de Polignac number, because 72219395 - 2²² = 68025091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72219397) 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, 1676 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (10841790).

Almost surely, 2^72219395 is an apocalyptic number.

72219395 is a deficient number, since it is larger than the sum of its proper divisors (14514925).

72219395 is a wasteful number, since it uses less digits than its factorization.

72219395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845.

The product of its digits is 34020, while the sum is 38.

The square root of 72219395 is about 8498.1995151914. The cubic root of 72219395 is about 416.4388916850.

The spelling of 72219395 in words is "seventy-two million, two hundred nineteen thousand, three hundred ninety-five".