42336477 has 36 divisors (see below), whose sum is σ = 66713556. Its totient is φ = 25850880.

The previous prime is 42336461. The next prime is 42336493. The reversal of 42336477 is 77463324.

It is a happy number.

42336477 is a `hidden beast` number, since 4 + 2 + 3 + 3 + 647 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (42336461) and next prime (42336493).

It can be written as a sum of positive squares in 6 ways, for example, as 423801 + 41912676 = 651^2 + 6474^2 .

It is not a de Polignac number, because 42336477 - 2⁴ = 42336461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42336407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106443 + ... + 106839.

Almost surely, 2^42336477 is an apocalyptic number.

It is an amenable number.

42336477 is a deficient number, since it is larger than the sum of its proper divisors (24377079).

42336477 is a wasteful number, since it uses less digits than its factorization.

42336477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 458 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 42336477 is about 6506.6486765462. The cubic root of 42336477 is about 348.5284529615.

The spelling of 42336477 in words is "forty-two million, three hundred thirty-six thousand, four hundred seventy-seven".