742446473 has 2 divisors, whose sum is σ = 742446474. Its totient is φ = 742446472.

The previous prime is 742446469. The next prime is 742446511. The reversal of 742446473 is 374644247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545549449 + 196897024 = 23357^2 + 14032^2 .

It is an emirp because it is prime and its reverse (374644247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742446473 - 2² = 742446469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742446473.

It is not a weakly prime, because it can be changed into another prime (742446073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371223236 + 371223237.

It is an arithmetic number, because the mean of its divisors is an integer number (371223237).

Almost surely, 2^742446473 is an apocalyptic number.

It is an amenable number.

742446473 is a deficient number, since it is larger than the sum of its proper divisors (1).

742446473 is an equidigital number, since it uses as much as digits as its factorization.

742446473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 41.

The square root of 742446473 is about 27247.8709810510. The cubic root of 742446473 is about 905.4998502413.

The spelling of 742446473 in words is "seven hundred forty-two million, four hundred forty-six thousand, four hundred seventy-three".