427716747 has 32 divisors (see below), whose sum is σ = 644212800. Its totient is φ = 280433664.

The previous prime is 427716721. The next prime is 427716767. The reversal of 427716747 is 747617724.

It is not a de Polignac number, because 427716747 - 2⁶ = 427716683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427716767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515529 + ... + 516357.

It is an arithmetic number, because the mean of its divisors is an integer number (20131650).

Almost surely, 2^427716747 is an apocalyptic number.

427716747 is a deficient number, since it is larger than the sum of its proper divisors (216496053).

427716747 is a wasteful number, since it uses less digits than its factorization.

427716747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1126 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The square root of 427716747 is about 20681.3139572900. The cubic root of 427716747 is about 753.4459192727.

The spelling of 427716747 in words is "four hundred twenty-seven million, seven hundred sixteen thousand, seven hundred forty-seven".