49720104 has 144 divisors (see below), whose sum is σ = 166058100. Its totient is φ = 13353984.

The previous prime is 49720079. The next prime is 49720109. The reversal of 49720104 is 40102794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48024900 + 1695204 = 6930^2 + 1302^2 .

It is a super-4 number, since 4×49720104⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49720109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59562 + ... + 60390.

Almost surely, 2^49720104 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 49720104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83029050).

49720104 is an abundant number, since it is smaller than the sum of its proper divisors (116337996).

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

49720104 is a wasteful number, since it uses less digits than its factorization.

49720104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 49720104 is about 7051.2484001062. The cubic root of 49720104 is about 367.7144326794.

Adding to 49720104 its reverse (40102794), we get a palindrome (89822898).

The spelling of 49720104 in words is "forty-nine million, seven hundred twenty thousand, one hundred four".