72369147 has 8 divisors (see below), whose sum is σ = 96650560. Its totient is φ = 48166920.

The previous prime is 72369113. The next prime is 72369161. The reversal of 72369147 is 74196327.

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

It is not a de Polignac number, because 72369147 - 2⁶ = 72369083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72369107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17629 + ... + 21342.

It is an arithmetic number, because the mean of its divisors is an integer number (12081320).

Almost surely, 2^72369147 is an apocalyptic number.

72369147 is a deficient number, since it is larger than the sum of its proper divisors (24281413).

72369147 is a wasteful number, since it uses less digits than its factorization.

72369147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39593.

The product of its digits is 63504, while the sum is 39.

The square root of 72369147 is about 8507.0057599604. The cubic root of 72369147 is about 416.7265314163.

The spelling of 72369147 in words is "seventy-two million, three hundred sixty-nine thousand, one hundred forty-seven".