72897242003 has 8 divisors (see below), whose sum is σ = 78827556672. Its totient is φ = 67149398656.

The previous prime is 72897241999. The next prime is 72897242017. The reversal of 72897242003 is 30024279827.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72897242003 - 2² = 72897241999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72897242053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45617000 + ... + 45618597.

It is an arithmetic number, because the mean of its divisors is an integer number (9853444584).

Almost surely, 2^72897242003 is an apocalyptic number.

72897242003 is a deficient number, since it is larger than the sum of its proper divisors (5930314669).

72897242003 is a wasteful number, since it uses less digits than its factorization.

72897242003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91235661.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 72897242003 in words is "seventy-two billion, eight hundred ninety-seven million, two hundred forty-two thousand, three".