72420722301 has 8 divisors (see below), whose sum is σ = 98002171744. Its totient is φ = 47559877200.

The previous prime is 72420722299. The next prime is 72420722329. The reversal of 72420722301 is 10322702427.

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

It is not a de Polignac number, because 72420722301 - 2¹ = 72420722299 is a prime.

It is a super-2 number, since 2×72420722301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72420722201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180150850 + ... + 180151251.

It is an arithmetic number, because the mean of its divisors is an integer number (12250271468).

Almost surely, 2^72420722301 is an apocalyptic number.

It is an amenable number.

72420722301 is a deficient number, since it is larger than the sum of its proper divisors (25581449443).

72420722301 is a wasteful number, since it uses less digits than its factorization.

72420722301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360302171.

The product of its (nonzero) digits is 9408, while the sum is 30.

The spelling of 72420722301 in words is "seventy-two billion, four hundred twenty million, seven hundred twenty-two thousand, three hundred one".