1473721273 has 2 divisors, whose sum is σ = 1473721274. Its totient is φ = 1473721272.

The previous prime is 1473721259. The next prime is 1473721283. The reversal of 1473721273 is 3721273741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1453363129 + 20358144 = 38123^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473721273 - 2¹³ = 1473713081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1473721283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736860636 + 736860637.

It is an arithmetic number, because the mean of its divisors is an integer number (736860637).

Almost surely, 2^1473721273 is an apocalyptic number.

It is an amenable number.

1473721273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473721273 is an equidigital number, since it uses as much as digits as its factorization.

1473721273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 37.

The square root of 1473721273 is about 38389.0775221286. The cubic root of 1473721273 is about 1137.9900133791.

The spelling of 1473721273 in words is "one billion, four hundred seventy-three million, seven hundred twenty-one thousand, two hundred seventy-three".