63727365 has 48 divisors (see below), whose sum is σ = 115316352. Its totient is φ = 29981952.

The previous prime is 63727361. The next prime is 63727369. The reversal of 63727365 is 56372736.

63727365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63727361) and next prime (63727369).

It is not a de Polignac number, because 63727365 - 2² = 63727361 is a prime.

It is a super-2 number, since 2×63727365² = 8122354099686450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63727361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57759 + ... + 58851.

It is an arithmetic number, because the mean of its divisors is an integer number (2402424).

Almost surely, 2^63727365 is an apocalyptic number.

63727365 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63727365 is a deficient number, since it is larger than the sum of its proper divisors (51588987).

63727365 is a wasteful number, since it uses less digits than its factorization.

63727365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1137 counting only the distinct ones).

The product of its digits is 158760, while the sum is 39.

The square root of 63727365 is about 7982.9421268101. The cubic root of 63727365 is about 399.4312019721.

The spelling of 63727365 in words is "sixty-three million, seven hundred twenty-seven thousand, three hundred sixty-five".