49709190 has 64 divisors (see below), whose sum is σ = 130714560. Its totient is φ = 12042240.

The previous prime is 49709189. The next prime is 49709203. The reversal of 49709190 is 9190794.

It is a super-2 number, since 2×49709190² = 4942007140912200, which contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 13110 + ... + 16470.

It is an arithmetic number, because the mean of its divisors is an integer number (2042415).

Almost surely, 2^49709190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49709190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65357280).

49709190 is an abundant number, since it is smaller than the sum of its proper divisors (81005370).

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

49709190 is a wasteful number, since it uses less digits than its factorization.

49709190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 49709190 is about 7050.4744521202. The cubic root of 49709190 is about 367.6875251934.

The spelling of 49709190 in words is "forty-nine million, seven hundred nine thousand, one hundred ninety".