1474273729 has 2 divisors, whose sum is σ = 1474273730. Its totient is φ = 1474273728.

The previous prime is 1474273699. The next prime is 1474273741. The reversal of 1474273729 is 9273724741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1363603329 + 110670400 = 36927^2 + 10520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474273729 - 2⁹ = 1474273217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1474274729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737136864 + 737136865.

It is an arithmetic number, because the mean of its divisors is an integer number (737136865).

Almost surely, 2^1474273729 is an apocalyptic number.

It is an amenable number.

1474273729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1474273729 is an equidigital number, since it uses as much as digits as its factorization.

1474273729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The square root of 1474273729 is about 38396.2723320897. The cubic root of 1474273729 is about 1138.1321955948.

The spelling of 1474273729 in words is "one billion, four hundred seventy-four million, two hundred seventy-three thousand, seven hundred twenty-nine".