747451273 has 2 divisors, whose sum is σ = 747451274. Its totient is φ = 747451272.

The previous prime is 747451267. The next prime is 747451301. The reversal of 747451273 is 372154747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397125184 + 350326089 = 19928^2 + 18717^2 .

It is an emirp because it is prime and its reverse (372154747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747451273 - 2¹⁷ = 747320201 is a prime.

It is not a weakly prime, because it can be changed into another prime (747451213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373725636 + 373725637.

It is an arithmetic number, because the mean of its divisors is an integer number (373725637).

Almost surely, 2^747451273 is an apocalyptic number.

It is an amenable number.

747451273 is a deficient number, since it is larger than the sum of its proper divisors (1).

747451273 is an equidigital number, since it uses as much as digits as its factorization.

747451273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 40.

The square root of 747451273 is about 27339.5550987941. Note that the first 3 decimals coincide. The cubic root of 747451273 is about 907.5299407536.

The spelling of 747451273 in words is "seven hundred forty-seven million, four hundred fifty-one thousand, two hundred seventy-three".