49706820 has 72 divisors (see below), whose sum is σ = 151482240. Its totient is φ = 13193280.

The previous prime is 49706729. The next prime is 49706821. The reversal of 49706820 is 2860794.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (49706821) 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, 48271 + ... + 49289.

It is an arithmetic number, because the mean of its divisors is an integer number (2103920).

Almost surely, 2^49706820 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 49706820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75741120).

49706820 is an abundant number, since it is smaller than the sum of its proper divisors (101775420).

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

49706820 is a wasteful number, since it uses less digits than its factorization.

49706820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 49706820 is about 7050.3063763215. The cubic root of 49706820 is about 367.6816816510.

The spelling of 49706820 in words is "forty-nine million, seven hundred six thousand, eight hundred twenty".