63674071 has 4 divisors (see below), whose sum is σ = 64389600. Its totient is φ = 62958544.

The previous prime is 63674047. The next prime is 63674089. The reversal of 63674071 is 17047636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63674071 - 2²¹ = 61576919 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 (63674011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357631 + ... + 357808.

It is an arithmetic number, because the mean of its divisors is an integer number (16097400).

Almost surely, 2^63674071 is an apocalyptic number.

63674071 is a deficient number, since it is larger than the sum of its proper divisors (715529).

63674071 is an equidigital number, since it uses as much as digits as its factorization.

63674071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715528.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 63674071 is about 7979.6034362617. The cubic root of 63674071 is about 399.3198253116.

The spelling of 63674071 in words is "sixty-three million, six hundred seventy-four thousand, seventy-one".