49709700 has 270 divisors, whose sum is σ = 180070506. Its totient is φ = 11819520.

The previous prime is 49709689. The next prime is 49709729. The reversal of 49709700 is 790794.

It can be written as a sum of positive squares in 3 ways, for example, as 7485696 + 42224004 = 2736^2 + 6498^2 .

It is a tau number, because it is divible by the number of its divisors (270).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 2616291 + ... + 2616309.

Almost surely, 2^49709700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49709700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90035253).

49709700 is an abundant number, since it is smaller than the sum of its proper divisors (130360806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49709700 is a wasteful number, since it uses less digits than its factorization.

49709700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 49709700 is about 7050.5106198062. The cubic root of 49709700 is about 367.6887826403.

The spelling of 49709700 in words is "forty-nine million, seven hundred nine thousand, seven hundred".