63724967 has 8 divisors (see below), whose sum is σ = 64821120. Its totient is φ = 62638200.

The previous prime is 63724963. The next prime is 63724981. The reversal of 63724967 is 76942736.

It is a happy number.

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 63724967 - 2² = 63724963 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 (63724963) 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, 12092 + ... + 16542.

It is an arithmetic number, because the mean of its divisors is an integer number (8102640).

Almost surely, 2^63724967 is an apocalyptic number.

63724967 is a deficient number, since it is larger than the sum of its proper divisors (1096153).

63724967 is a wasteful number, since it uses less digits than its factorization.

63724967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693.

The product of its digits is 381024, while the sum is 44.

The square root of 63724967 is about 7982.7919301457. The cubic root of 63724967 is about 399.4261918374.

The spelling of 63724967 in words is "sixty-three million, seven hundred twenty-four thousand, nine hundred sixty-seven".