67495138 has 4 divisors (see below), whose sum is σ = 101242710. Its totient is φ = 33747568.

The previous prime is 67495121. The next prime is 67495157. The reversal of 67495138 is 83159476.

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., 64208169 + 3286969 = 8013^2 + 1813^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67495094 and 67495103.

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 as a sum of consecutive naturals, namely, 16873783 + ... + 16873786.

Almost surely, 2^67495138 is an apocalyptic number.

67495138 is a deficient number, since it is larger than the sum of its proper divisors (33747572).

67495138 is a wasteful number, since it uses less digits than its factorization.

67495138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33747571.

The product of its digits is 181440, while the sum is 43.

The square root of 67495138 is about 8215.5424653519. The cubic root of 67495138 is about 407.1528663297.

The spelling of 67495138 in words is "sixty-seven million, four hundred ninety-five thousand, one hundred thirty-eight".