42733164 has 12 divisors (see below), whose sum is σ = 99710744. Its totient is φ = 14244384.

The previous prime is 42733157. The next prime is 42733181. The reversal of 42733164 is 46133724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42733164² = 3652246610901792, which contains 22 as substring.

It is an unprimeable number.

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, 1780537 + ... + 1780560.

Almost surely, 2^42733164 is an apocalyptic number.

It is an amenable number.

42733164 is an abundant number, since it is smaller than the sum of its proper divisors (56977580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42733164 is a wasteful number, since it uses less digits than its factorization.

42733164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561104 (or 3561102 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 42733164 is about 6537.0608074271. The cubic root of 42733164 is about 349.6136253280.

Adding to 42733164 its reverse (46133724), we get a palindrome (88866888).

The spelling of 42733164 in words is "forty-two million, seven hundred thirty-three thousand, one hundred sixty-four".