63874457 has 8 divisors (see below), whose sum is σ = 69071616. Its totient is φ = 58837312.

The previous prime is 63874453. The next prime is 63874463. The reversal of 63874457 is 75447836.

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 63874457 - 2² = 63874453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63874451) 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, 39173 + ... + 40770.

It is an arithmetic number, because the mean of its divisors is an integer number (8633952).

Almost surely, 2^63874457 is an apocalyptic number.

It is an amenable number.

63874457 is a deficient number, since it is larger than the sum of its proper divisors (5197159).

63874457 is a wasteful number, since it uses less digits than its factorization.

63874457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80007.

The product of its digits is 564480, while the sum is 44.

The square root of 63874457 is about 7992.1497108100. The cubic root of 63874457 is about 399.7382808784.

The spelling of 63874457 in words is "sixty-three million, eight hundred seventy-four thousand, four hundred fifty-seven".