49293720 has 192 divisors, whose sum is σ = 189296640. Its totient is φ = 10886400.

The previous prime is 49293719. The next prime is 49293737. The reversal of 49293720 is 2739294.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77805 + ... + 78435.

It is an arithmetic number, because the mean of its divisors is an integer number (985920).

Almost surely, 2^49293720 is an apocalyptic number.

49293720 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 49293720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94648320).

49293720 is an abundant number, since it is smaller than the sum of its proper divisors (140002920).

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

49293720 is a wasteful number, since it uses less digits than its factorization.

49293720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 49293720 is about 7020.9486538501. The cubic root of 49293720 is about 366.6602790439.

It can be divided in two parts, 4929 and 3720, that added together give a square (8649 = 93²).

The spelling of 49293720 in words is "forty-nine million, two hundred ninety-three thousand, seven hundred twenty".