63791417 has 4 divisors (see below), whose sum is σ = 67148880. Its totient is φ = 60433956.

The previous prime is 63791407. The next prime is 63791471. The reversal of 63791417 is 71419736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63791417 - 2⁴ = 63791401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63791407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678703 + ... + 1678740.

It is an arithmetic number, because the mean of its divisors is an integer number (16787220).

Almost surely, 2^63791417 is an apocalyptic number.

It is an amenable number.

63791417 is a deficient number, since it is larger than the sum of its proper divisors (3357463).

63791417 is a wasteful number, since it uses less digits than its factorization.

63791417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357462.

The product of its digits is 31752, while the sum is 38.

The square root of 63791417 is about 7986.9529233620. The cubic root of 63791417 is about 399.5649791470.

The spelling of 63791417 in words is "sixty-three million, seven hundred ninety-one thousand, four hundred seventeen".