72028198301 has 2 divisors, whose sum is σ = 72028198302. Its totient is φ = 72028198300.

The previous prime is 72028198273. The next prime is 72028198327. The reversal of 72028198301 is 10389182027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71829360100 + 198838201 = 268010^2 + 14101^2 .

It is a cyclic number.

It is not a de Polignac number, because 72028198301 - 2⁶ = 72028198237 is a prime.

It is a super-2 number, since 2×72028198301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72028197301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36014099150 + 36014099151.

It is an arithmetic number, because the mean of its divisors is an integer number (36014099151).

Almost surely, 2^72028198301 is an apocalyptic number.

It is an amenable number.

72028198301 is a deficient number, since it is larger than the sum of its proper divisors (1).

72028198301 is an equidigital number, since it uses as much as digits as its factorization.

72028198301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 72028198301 in words is "seventy-two billion, twenty-eight million, one hundred ninety-eight thousand, three hundred one".