49194720 has 144 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 12966912.

The previous prime is 49194703. The next prime is 49194721. The reversal of 49194720 is 2749194.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49194721) 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, 182746 + ... + 183014.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^49194720 is an apocalyptic number.

49194720 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 49194720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

49194720 is an abundant number, since it is smaller than the sum of its proper divisors (120633120).

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

49194720 is a wasteful number, since it uses less digits than its factorization.

49194720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 49194720 is about 7013.8947810756. The cubic root of 49194720 is about 366.4146514358.

The spelling of 49194720 in words is "forty-nine million, one hundred ninety-four thousand, seven hundred twenty".