49318737 has 48 divisors (see below), whose sum is σ = 77833728. Its totient is φ = 27578880.

The previous prime is 49318681. The next prime is 49318757. The reversal of 49318737 is 73781394.

It is not a de Polignac number, because 49318737 - 2¹⁰ = 49317713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49318757) 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, 436393 + ... + 436505.

It is an arithmetic number, because the mean of its divisors is an integer number (1621536).

Almost surely, 2^49318737 is an apocalyptic number.

It is an amenable number.

49318737 is a deficient number, since it is larger than the sum of its proper divisors (28514991).

49318737 is a wasteful number, since it uses less digits than its factorization.

49318737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 179 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 49318737 is about 7022.7300247126. The cubic root of 49318737 is about 366.7222963346.

The spelling of 49318737 in words is "forty-nine million, three hundred eighteen thousand, seven hundred thirty-seven".