49971740 has 48 divisors (see below), whose sum is σ = 129162432. Its totient is φ = 15814656.

The previous prime is 49971731. The next prime is 49971773. The reversal of 49971740 is 4717994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11909 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (2690884).

Almost surely, 2^49971740 is an apocalyptic number.

It is an amenable number.

49971740 is an abundant number, since it is smaller than the sum of its proper divisors (79190692).

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

49971740 is a wasteful number, since it uses less digits than its factorization.

49971740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27486 (or 27484 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 49971740 is about 7069.0692456645. The cubic root of 49971740 is about 368.3337296302. Note that the first 3 decimals are identical.

The spelling of 49971740 in words is "forty-nine million, nine hundred seventy-one thousand, seven hundred forty".