49740 has 24 divisors (see below), whose sum is σ = 139440. Its totient is φ = 13248.

The previous prime is 49739. The next prime is 49741. The reversal of 49740 is 4794.

It is an interprime number because it is at equal distance from previous prime (49739) and next prime (49741).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 49740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 474.

It is an arithmetic number, because the mean of its divisors is an integer number (5810).

2⁴⁹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

49740 is an abundant number, since it is smaller than the sum of its proper divisors (89700).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69720).

49740 is a wasteful number, since it uses less digits than its factorization.

49740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 49740 is about 223.0246623134. The cubic root of 49740 is about 36.7763474349.

The spelling of 49740 in words is "forty-nine thousand, seven hundred forty".