49671920 has 40 divisors (see below), whose sum is σ = 119218560. Its totient is φ = 19226880.

The previous prime is 49671911. The next prime is 49671929. The reversal of 49671920 is 2917694.

It is an interprime number because it is at equal distance from previous prime (49671911) and next prime (49671929).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49671929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (2980464).

Almost surely, 2^49671920 is an apocalyptic number.

49671920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49671920 is an abundant number, since it is smaller than the sum of its proper divisors (69546640).

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

49671920 is a wasteful number, since it uses less digits than its factorization.

49671920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20073 (or 20067 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 49671920 is about 7047.8308719776. The cubic root of 49671920 is about 367.5956096588.

The spelling of 49671920 in words is "forty-nine million, six hundred seventy-one thousand, nine hundred twenty".