42477433 has 4 divisors (see below), whose sum is σ = 43278948. Its totient is φ = 41675920.

The previous prime is 42477419. The next prime is 42477467. The reversal of 42477433 is 33477424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29030544 + 13446889 = 5388^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42477433 - 2¹⁷ = 42346361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42477403) 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, 400678 + ... + 400783.

It is an arithmetic number, because the mean of its divisors is an integer number (10819737).

Almost surely, 2^42477433 is an apocalyptic number.

It is an amenable number.

42477433 is a deficient number, since it is larger than the sum of its proper divisors (801515).

42477433 is an equidigital number, since it uses as much as digits as its factorization.

42477433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801514.

The product of its digits is 56448, while the sum is 34.

The square root of 42477433 is about 6517.4713654914. The cubic root of 42477433 is about 348.9148239195.

Subtracting from 42477433 its reverse (33477424), we obtain a palindrome (9000009).

The spelling of 42477433 in words is "forty-two million, four hundred seventy-seven thousand, four hundred thirty-three".