49347621 has 6 divisors (see below), whose sum is σ = 71279910. Its totient is φ = 32898408.

The previous prime is 49347619. The next prime is 49347631. The reversal of 49347621 is 12674394.

It can be written as a sum of positive squares in only one way, i.e., 41139396 + 8208225 = 6414^2 + 2865^2 .

It is not a de Polignac number, because 49347621 - 2¹ = 49347619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49347601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2741526 + ... + 2741543.

It is an arithmetic number, because the mean of its divisors is an integer number (11879985).

Almost surely, 2^49347621 is an apocalyptic number.

It is an amenable number.

49347621 is a deficient number, since it is larger than the sum of its proper divisors (21932289).

49347621 is a wasteful number, since it uses less digits than its factorization.

49347621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483075 (or 5483072 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 49347621 is about 7024.7861889171. The cubic root of 49347621 is about 366.7938738612.

The spelling of 49347621 in words is "forty-nine million, three hundred forty-seven thousand, six hundred twenty-one".