72955853 has 2 divisors, whose sum is σ = 72955854. Its totient is φ = 72955852.

The previous prime is 72955849. The next prime is 72955867. The reversal of 72955853 is 35855927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69522244 + 3433609 = 8338^2 + 1853^2 .

It is an emirp because it is prime and its reverse (35855927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72955853 - 2² = 72955849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72955843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36477926 + 36477927.

It is an arithmetic number, because the mean of its divisors is an integer number (36477927).

Almost surely, 2^72955853 is an apocalyptic number.

It is an amenable number.

72955853 is a deficient number, since it is larger than the sum of its proper divisors (1).

72955853 is an equidigital number, since it uses as much as digits as its factorization.

72955853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 72955853 is about 8541.4198468405. The cubic root of 72955853 is about 417.8496536594.

The spelling of 72955853 in words is "seventy-two million, nine hundred fifty-five thousand, eight hundred fifty-three".