42933457 has 6 divisors (see below), whose sum is σ = 49943058. Its totient is φ = 36800064.

The previous prime is 42933439. The next prime is 42933467. The reversal of 42933457 is 75433924.

42933457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42562576 + 370881 = 6524^2 + 609^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42933457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42933467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438048 + ... + 438145.

It is an arithmetic number, because the mean of its divisors is an integer number (8323843).

Almost surely, 2^42933457 is an apocalyptic number.

It is an amenable number.

42933457 is a deficient number, since it is larger than the sum of its proper divisors (7009601).

42933457 is an equidigital number, since it uses as much as digits as its factorization.

42933457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876207 (or 876200 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 42933457 is about 6552.3627036360. The cubic root of 42933457 is about 350.1589944294.

It can be divided in two parts, 4293 and 3457, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 42933457 in words is "forty-two million, nine hundred thirty-three thousand, four hundred fifty-seven".