67954994 has 4 divisors (see below), whose sum is σ = 101932494. Its totient is φ = 33977496.

The previous prime is 67954993. The next prime is 67955003. The reversal of 67954994 is 49945976.

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., 34164025 + 33790969 = 5845^2 + 5813^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67954993) by changing a digit.

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, 16988747 + ... + 16988750.

Almost surely, 2^67954994 is an apocalyptic number.

67954994 is a deficient number, since it is larger than the sum of its proper divisors (33977500).

67954994 is a wasteful number, since it uses less digits than its factorization.

67954994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33977499.

The product of its digits is 2449440, while the sum is 53.

The square root of 67954994 is about 8243.4819099698. The cubic root of 67954994 is about 408.0754418037.

The spelling of 67954994 in words is "sixty-seven million, nine hundred fifty-four thousand, nine hundred ninety-four".