63742287 has 24 divisors (see below), whose sum is σ = 99408000. Its totient is φ = 36224496.

The previous prime is 63742279. The next prime is 63742313. The reversal of 63742287 is 78224736.

It is not a de Polignac number, because 63742287 - 2³ = 63742279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63742247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28164 + ... + 30342.

It is an arithmetic number, because the mean of its divisors is an integer number (4142000).

Almost surely, 2^63742287 is an apocalyptic number.

63742287 is a deficient number, since it is larger than the sum of its proper divisors (35665713).

63742287 is a wasteful number, since it uses less digits than its factorization.

63742287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2388 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 63742287 is about 7983.8766899295. The cubic root of 63742287 is about 399.4623756405.

It can be divided in two parts, 6374228 and 7, that added together give a triangular number (6374235 = T₃₅₇₀).

The spelling of 63742287 in words is "sixty-three million, seven hundred forty-two thousand, two hundred eighty-seven".