67404074 has 8 divisors (see below), whose sum is σ = 102034020. Its totient is φ = 33392736.

The previous prime is 67404059. The next prime is 67404079. The reversal of 67404074 is 47040476.

It can be written as a sum of positive squares in 2 ways, for example, as 58446025 + 8958049 = 7645^2 + 2993^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 67404074.

It is not an unprimeable number, because it can be changed into a prime (67404079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154379 + ... + 154814.

Almost surely, 2^67404074 is an apocalyptic number.

67404074 is a deficient number, since it is larger than the sum of its proper divisors (34629946).

67404074 is a wasteful number, since it uses less digits than its factorization.

67404074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309304.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 67404074 is about 8209.9984165650. The cubic root of 67404074 is about 406.9696745873.

The spelling of 67404074 in words is "sixty-seven million, four hundred four thousand, seventy-four".