49630721 has 8 divisors (see below), whose sum is σ = 58550784. Its totient is φ = 41168160.

The previous prime is 49630703. The next prime is 49630733. The reversal of 49630721 is 12703694.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49630721 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49630421) 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, 114140 + ... + 114573.

It is an arithmetic number, because the mean of its divisors is an integer number (7318848).

Almost surely, 2^49630721 is an apocalyptic number.

It is an amenable number.

49630721 is a deficient number, since it is larger than the sum of its proper divisors (8920063).

49630721 is a wasteful number, since it uses less digits than its factorization.

49630721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228751.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 49630721 is about 7044.9074514858. The cubic root of 49630721 is about 367.4939508776.

The spelling of 49630721 in words is "forty-nine million, six hundred thirty thousand, seven hundred twenty-one".