49998730 has 16 divisors (see below), whose sum is σ = 90521064. Its totient is φ = 19883200.

The previous prime is 49998727. The next prime is 49998743. The reversal of 49998730 is 3789994.

It can be written as a sum of positive squares in 4 ways, for example, as 48678529 + 1320201 = 6977^2 + 1149^2 .

It is a super-2 number, since 2×49998730² = 4999746003225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12721 + ... + 16180.

Almost surely, 2^49998730 is an apocalyptic number.

49998730 is a deficient number, since it is larger than the sum of its proper divisors (40522334).

49998730 is a wasteful number, since it uses less digits than its factorization.

49998730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29081.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 49998730 is about 7070.9780087340. The cubic root of 49998730 is about 368.4000306910.

The spelling of 49998730 in words is "forty-nine million, nine hundred ninety-eight thousand, seven hundred thirty".