42733424 has 20 divisors (see below), whose sum is σ = 83056440. Its totient is φ = 21299520.

The previous prime is 42733421. The next prime is 42733429. The reversal of 42733424 is 42433724.

It is a super-2 number, since 2×42733424² = 3652291053527552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (4152822).

Almost surely, 2^42733424 is an apocalyptic number.

It is an amenable number.

42733424 is a deficient number, since it is larger than the sum of its proper divisors (40323016).

42733424 is a wasteful number, since it uses less digits than its factorization.

42733424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408 (or 8402 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 42733424 is about 6537.0806940101. The cubic root of 42733424 is about 349.6143343741.

The spelling of 42733424 in words is "forty-two million, seven hundred thirty-three thousand, four hundred twenty-four".