7362721273 has 2 divisors, whose sum is σ = 7362721274. Its totient is φ = 7362721272.

The previous prime is 7362721189. The next prime is 7362721277. The reversal of 7362721273 is 3721272637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5429184489 + 1933536784 = 73683^2 + 43972^2 .

It is a cyclic number.

It is not a de Polignac number, because 7362721273 - 2¹³ = 7362713081 is a prime.

It is not a weakly prime, because it can be changed into another prime (7362721277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3681360636 + 3681360637.

It is an arithmetic number, because the mean of its divisors is an integer number (3681360637).

Almost surely, 2^7362721273 is an apocalyptic number.

It is an amenable number.

7362721273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7362721273 is an equidigital number, since it uses as much as digits as its factorization.

7362721273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 40.

The square root of 7362721273 is about 85806.3008933493. The cubic root of 7362721273 is about 1945.4173583786.

The spelling of 7362721273 in words is "seven billion, three hundred sixty-two million, seven hundred twenty-one thousand, two hundred seventy-three".