49307720 has 96 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 15361920.

The previous prime is 49307681. The next prime is 49307729. The reversal of 49307720 is 2770394.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49307729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20417 + ... + 22703.

It is an arithmetic number, because the mean of its divisors is an integer number (1467180).

Almost surely, 2^49307720 is an apocalyptic number.

49307720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49307720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70424640).

49307720 is an abundant number, since it is smaller than the sum of its proper divisors (91541560).

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

49307720 is a wasteful number, since it uses less digits than its factorization.

49307720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 49307720 is about 7021.9455993336. The cubic root of 49307720 is about 366.6949877114.

The spelling of 49307720 in words is "forty-nine million, three hundred seven thousand, seven hundred twenty".