67454138 has 8 divisors (see below), whose sum is σ = 101222688. Its totient is φ = 33713244.

The previous prime is 67454137. The next prime is 67454141. The reversal of 67454138 is 83145476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (67454131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (12652836).

Almost surely, 2^67454138 is an apocalyptic number.

67454138 is a deficient number, since it is larger than the sum of its proper divisors (33768550).

67454138 is a wasteful number, since it uses less digits than its factorization.

67454138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828.

The product of its digits is 80640, while the sum is 38.

The square root of 67454138 is about 8213.0468158899. The cubic root of 67454138 is about 407.0704078037.

The spelling of 67454138 in words is "sixty-seven million, four hundred fifty-four thousand, one hundred thirty-eight".