42463647 has 6 divisors (see below), whose sum is σ = 61336392. Its totient is φ = 28309092.

The previous prime is 42463643. The next prime is 42463649. The reversal of 42463647 is 74636424.

42463647 is a `hidden beast` number, since 4 + 2 + 4 + 6 + 3 + 647 = 666.

It is not a de Polignac number, because 42463647 - 2² = 42463643 is a prime.

It is a super-2 number, since 2×42463647² = 3606322633081218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42463643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359083 + ... + 2359100.

It is an arithmetic number, because the mean of its divisors is an integer number (10222732).

Almost surely, 2^42463647 is an apocalyptic number.

42463647 is a deficient number, since it is larger than the sum of its proper divisors (18872745).

42463647 is a wasteful number, since it uses less digits than its factorization.

42463647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718189 (or 4718186 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 42463647 is about 6516.4136609028. The cubic root of 42463647 is about 348.8770732059.

The spelling of 42463647 in words is "forty-two million, four hundred sixty-three thousand, six hundred forty-seven".