1627242647 has 8 divisors (see below), whose sum is σ = 1672136496. Its totient is φ = 1582396992.

The previous prime is 1627242641. The next prime is 1627242667. The reversal of 1627242647 is 7462427261.

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 1627242647 - 2⁸ = 1627242391 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 (1627242641) 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, 62708 + ... + 84774.

It is an arithmetic number, because the mean of its divisors is an integer number (209017062).

Almost surely, 2^1627242647 is an apocalyptic number.

1627242647 is a deficient number, since it is larger than the sum of its proper divisors (44893849).

1627242647 is a wasteful number, since it uses less digits than its factorization.

1627242647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24097.

The product of its digits is 225792, while the sum is 41.

The square root of 1627242647 is about 40339.0957632915. The cubic root of 1627242647 is about 1176.2079376762.

The spelling of 1627242647 in words is "one billion, six hundred twenty-seven million, two hundred forty-two thousand, six hundred forty-seven".