63775349 has 6 divisors (see below), whose sum is σ = 70100310. Its totient is φ = 57977480.

The previous prime is 63775337. The next prime is 63775351. The reversal of 63775349 is 94357736.

It can be written as a sum of positive squares in only one way, i.e., 63600625 + 174724 = 7975^2 + 418^2 .

It is not a de Polignac number, because 63775349 - 2¹⁶ = 63709813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63775399) 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, 263414 + ... + 263655.

It is an arithmetic number, because the mean of its divisors is an integer number (11683385).

Almost surely, 2^63775349 is an apocalyptic number.

It is an amenable number.

63775349 is a deficient number, since it is larger than the sum of its proper divisors (6324961).

63775349 is a wasteful number, since it uses less digits than its factorization.

63775349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527091 (or 527080 counting only the distinct ones).

The product of its digits is 476280, while the sum is 44.

The square root of 63775349 is about 7985.9469695209. The cubic root of 63775349 is about 399.5314283993.

The spelling of 63775349 in words is "sixty-three million, seven hundred seventy-five thousand, three hundred forty-nine".