49739712 has 84 divisors (see below), whose sum is σ = 144722088. Its totient is φ = 15065600.

The previous prime is 49739707. The next prime is 49739713. The reversal of 49739712 is 21793794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49739713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22162 + ... + 24302.

It is an arithmetic number, because the mean of its divisors is an integer number (1722882).

Almost surely, 2^49739712 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 49739712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72361044).

49739712 is an abundant number, since it is smaller than the sum of its proper divisors (94982376).

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

49739712 is a wasteful number, since it uses less digits than its factorization.

49739712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2157 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 49739712 is about 7052.6386551418. The cubic root of 49739712 is about 367.7627645506.

The spelling of 49739712 in words is "forty-nine million, seven hundred thirty-nine thousand, seven hundred twelve".