67633042 has 4 divisors (see below), whose sum is σ = 101449566. Its totient is φ = 33816520.

The previous prime is 67633039. The next prime is 67633043. The reversal of 67633042 is 24033676.

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

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 212521 = 8211^2 + 461^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 67632995 and 67633013.

It is not an unprimeable number, because it can be changed into a prime (67633043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16908259 + ... + 16908262.

Almost surely, 2^67633042 is an apocalyptic number.

67633042 is a deficient number, since it is larger than the sum of its proper divisors (33816524).

67633042 is a wasteful number, since it uses less digits than its factorization.

67633042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33816523.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 67633042 is about 8223.9310551585. The cubic root of 67633042 is about 407.4299717822.

The spelling of 67633042 in words is "sixty-seven million, six hundred thirty-three thousand, forty-two".