427734651 has 4 divisors (see below), whose sum is σ = 570312872. Its totient is φ = 285156432.

The previous prime is 427734649. The next prime is 427734709. The reversal of 427734651 is 156437724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427734651 - 2¹ = 427734649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427732651) 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, 71289106 + ... + 71289111.

It is an arithmetic number, because the mean of its divisors is an integer number (142578218).

Almost surely, 2^427734651 is an apocalyptic number.

427734651 is a deficient number, since it is larger than the sum of its proper divisors (142578221).

427734651 is a wasteful number, since it uses less digits than its factorization.

427734651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142578220.

The product of its digits is 141120, while the sum is 39.

The square root of 427734651 is about 20681.7468072694. The cubic root of 427734651 is about 753.4564320771.

It can be divided in two parts, 427 and 734651, that added together give a triangular number (735078 = T₁₂₁₂).

The spelling of 427734651 in words is "four hundred twenty-seven million, seven hundred thirty-four thousand, six hundred fifty-one".