72954133481 has 8 divisors (see below), whose sum is σ = 76250253120. Its totient is φ = 69668363952.

The previous prime is 72954133393. The next prime is 72954133487. The reversal of 72954133481 is 18433145927.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72954133481 is a prime.

It is a super-2 number, since 2×72954133481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72954133487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573111 + ... + 2601308.

It is an arithmetic number, because the mean of its divisors is an integer number (9531281640).

Almost surely, 2^72954133481 is an apocalyptic number.

It is an amenable number.

72954133481 is a deficient number, since it is larger than the sum of its proper divisors (3296119639).

72954133481 is a wasteful number, since it uses less digits than its factorization.

72954133481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175055.

The product of its digits is 725760, while the sum is 47.

The spelling of 72954133481 in words is "seventy-two billion, nine hundred fifty-four million, one hundred thirty-three thousand, four hundred eighty-one".