49107720 has 128 divisors (see below), whose sum is σ = 156119040. Its totient is φ = 12337920.

The previous prime is 49107719. The next prime is 49107739. The reversal of 49107720 is 2770194.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159807 + ... + 160113.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^49107720 is an apocalyptic number.

49107720 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 49107720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78059520).

49107720 is an abundant number, since it is smaller than the sum of its proper divisors (107011320).

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

49107720 is a wasteful number, since it uses less digits than its factorization.

49107720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 49107720 is about 7007.6900616394. The cubic root of 49107720 is about 366.1985246841.

The spelling of 49107720 in words is "forty-nine million, one hundred seven thousand, seven hundred twenty".