72174321203 has 2 divisors, whose sum is σ = 72174321204. Its totient is φ = 72174321202.

The previous prime is 72174321067. The next prime is 72174321209. The reversal of 72174321203 is 30212347127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72174321203 - 2²⁶ = 72107212339 is a prime.

It is a super-2 number, since 2×72174321203² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72174321203.

It is not a weakly prime, because it can be changed into another prime (72174321209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36087160601 + 36087160602.

It is an arithmetic number, because the mean of its divisors is an integer number (36087160602).

Almost surely, 2^72174321203 is an apocalyptic number.

72174321203 is a deficient number, since it is larger than the sum of its proper divisors (1).

72174321203 is an equidigital number, since it uses as much as digits as its factorization.

72174321203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 72174321203 in words is "seventy-two billion, one hundred seventy-four million, three hundred twenty-one thousand, two hundred three".