49725720 has 192 divisors, whose sum is σ = 182800800. Its totient is φ = 11612160.

The previous prime is 49725703. The next prime is 49725727. The reversal of 49725720 is 2752794.

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 (49725727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114624 + ... + 115056.

Almost surely, 2^49725720 is an apocalyptic number.

49725720 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 49725720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91400400).

49725720 is an abundant number, since it is smaller than the sum of its proper divisors (133075080).

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

49725720 is a wasteful number, since it uses less digits than its factorization.

49725720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 49725720 is about 7051.6466162167. The cubic root of 49725720 is about 367.7282768882.

The spelling of 49725720 in words is "forty-nine million, seven hundred twenty-five thousand, seven hundred twenty".