63742279 has 2 divisors, whose sum is σ = 63742280. Its totient is φ = 63742278.

The previous prime is 63742277. The next prime is 63742313. The reversal of 63742279 is 97224736.

63742279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63742279 - 2¹ = 63742277 is a prime.

It is a super-2 number, since 2×63742279² = 8126156264227682, which contains 22 as substring.

Together with 63742277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63742277) 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 as a sum of consecutive naturals, namely, 31871139 + 31871140.

It is an arithmetic number, because the mean of its divisors is an integer number (31871140).

Almost surely, 2^63742279 is an apocalyptic number.

63742279 is a deficient number, since it is larger than the sum of its proper divisors (1).

63742279 is an equidigital number, since it uses as much as digits as its factorization.

63742279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 40.

The square root of 63742279 is about 7983.8761889198. The cubic root of 63742279 is about 399.4623589290.

The spelling of 63742279 in words is "sixty-three million, seven hundred forty-two thousand, two hundred seventy-nine".