63772349 has 4 divisors (see below), whose sum is σ = 65495964. Its totient is φ = 62048736.

The previous prime is 63772297. The next prime is 63772351. The reversal of 63772349 is 94327736.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 5555449 = 7630^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 63772349 - 2²⁴ = 46995133 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 (63778349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861752 + ... + 861825.

It is an arithmetic number, because the mean of its divisors is an integer number (16373991).

Almost surely, 2^63772349 is an apocalyptic number.

It is an amenable number.

63772349 is a deficient number, since it is larger than the sum of its proper divisors (1723615).

63772349 is a wasteful number, since it uses less digits than its factorization.

63772349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723614.

The product of its digits is 190512, while the sum is 41.

The square root of 63772349 is about 7985.7591373645. The cubic root of 63772349 is about 399.5251636324.

The spelling of 63772349 in words is "sixty-three million, seven hundred seventy-two thousand, three hundred forty-nine".