49731730 has 16 divisors (see below), whose sum is σ = 90120600. Its totient is φ = 19758592.

The previous prime is 49731713. The next prime is 49731733. The reversal of 49731730 is 3713794.

It can be written as a sum of positive squares in 4 ways, for example, as 35676729 + 14055001 = 5973^2 + 3749^2 .

It is not an unprimeable number, because it can be changed into a prime (49731733) 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, 15199 + ... + 18178.

Almost surely, 2^49731730 is an apocalyptic number.

49731730 is a deficient number, since it is larger than the sum of its proper divisors (40388870).

49731730 is a wasteful number, since it uses less digits than its factorization.

49731730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33533.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 49731730 is about 7052.0727449453. The cubic root of 49731730 is about 367.7430912064.

The spelling of 49731730 in words is "forty-nine million, seven hundred thirty-one thousand, seven hundred thirty".