63674863 has 8 divisors (see below), whose sum is σ = 74256800. Its totient is φ = 54578160.

The previous prime is 63674813. The next prime is 63674887. The reversal of 63674863 is 36847636.

It is not a de Polignac number, because 63674863 - 2¹⁷ = 63543791 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 (63674803) 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, 92478 + ... + 93163.

It is an arithmetic number, because the mean of its divisors is an integer number (9282100).

Almost surely, 2^63674863 is an apocalyptic number.

63674863 is a deficient number, since it is larger than the sum of its proper divisors (10581937).

63674863 is an equidigital number, since it uses as much as digits as its factorization.

63674863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185662 (or 185648 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 63674863 is about 7979.6530626337. The cubic root of 63674863 is about 399.3214809305.

The spelling of 63674863 in words is "sixty-three million, six hundred seventy-four thousand, eight hundred sixty-three".