63742667 has 8 divisors (see below), whose sum is σ = 66033840. Its totient is φ = 61457760.

The previous prime is 63742649. The next prime is 63742681. The reversal of 63742667 is 76624736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63742667 - 2¹⁴ = 63726283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63742607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30692 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (8254230).

Almost surely, 2^63742667 is an apocalyptic number.

63742667 is a deficient number, since it is larger than the sum of its proper divisors (2291173).

63742667 is a wasteful number, since it uses less digits than its factorization.

63742667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its digits is 254016, while the sum is 41.

The square root of 63742667 is about 7983.9004878568. The cubic root of 63742667 is about 399.4631694380.

The spelling of 63742667 in words is "sixty-three million, seven hundred forty-two thousand, six hundred sixty-seven".