72950289 has 8 divisors (see below), whose sum is σ = 97306560. Its totient is φ = 48613776.

The previous prime is 72950243. The next prime is 72950303. The reversal of 72950289 is 98205927.

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

It is not a de Polignac number, because 72950289 - 2⁹ = 72949777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72950289.

It is not an unprimeable number, because it can be changed into a prime (72950239) 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, 11439 + ... + 16635.

It is an arithmetic number, because the mean of its divisors is an integer number (12163320).

Almost surely, 2^72950289 is an apocalyptic number.

It is an amenable number.

72950289 is a deficient number, since it is larger than the sum of its proper divisors (24356271).

72950289 is a wasteful number, since it uses less digits than its factorization.

72950289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 72950289 is about 8541.0941336576. The cubic root of 72950289 is about 417.8390309130.

The spelling of 72950289 in words is "seventy-two million, nine hundred fifty thousand, two hundred eighty-nine".