449013730 has 32 divisors (see below), whose sum is σ = 889963200. Its totient is φ = 161747520.

The previous prime is 449013709. The next prime is 449013767. The reversal of 449013730 is 37310944.

It is a super-2 number, since 2×449013730² = 403226659457025800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449013692 and 449013701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305 + ... + 30844.

It is an arithmetic number, because the mean of its divisors is an integer number (27811350).

Almost surely, 2^449013730 is an apocalyptic number.

449013730 is a deficient number, since it is larger than the sum of its proper divisors (440949470).

449013730 is a wasteful number, since it uses less digits than its factorization.

449013730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38274.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 449013730 is about 21189.9440773212. The cubic root of 449013730 is about 765.7491799243.

The spelling of 449013730 in words is "four hundred forty-nine million, thirteen thousand, seven hundred thirty".