449660073 has 8 divisors (see below), whose sum is σ = 613489888. Its totient is φ = 292801824.

The previous prime is 449660039. The next prime is 449660153. The reversal of 449660073 is 370066944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449660073 - 2¹² = 449655977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449660033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742740 + ... + 1742997.

It is an arithmetic number, because the mean of its divisors is an integer number (76686236).

Almost surely, 2^449660073 is an apocalyptic number.

449660073 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

449660073 is a deficient number, since it is larger than the sum of its proper divisors (163829815).

449660073 is a wasteful number, since it uses less digits than its factorization.

449660073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485783.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 449660073 is about 21205.1897657154. The cubic root of 449660073 is about 766.1164287753.

The spelling of 449660073 in words is "four hundred forty-nine million, six hundred sixty thousand, seventy-three".