67404073703674 has 4 divisors (see below), whose sum is σ = 101106110555514. Its totient is φ = 33702036851836.

The previous prime is 67404073703653. The next prime is 67404073703753. The reversal of 67404073703674 is 47630737040476.

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., 66206456460225 + 1197617243449 = 8136735^2 + 1094357^2 .

It is a super-2 number, since 2×67404073703674² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16851018425917 + ... + 16851018425920.

Almost surely, 2^{67404073703674} is an apocalyptic number.

67404073703674 is a deficient number, since it is larger than the sum of its proper divisors (33702036851840).

67404073703674 is a wasteful number, since it uses less digits than its factorization.

67404073703674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33702036851839.

The product of its (nonzero) digits is 49787136, while the sum is 58.

The spelling of 67404073703674 in words is "sixty-seven trillion, four hundred four billion, seventy-three million, seven hundred three thousand, six hundred seventy-four".