67474143073 has 4 divisors (see below), whose sum is σ = 68580276628. Its totient is φ = 66368009520.

The previous prime is 67474143059. The next prime is 67474143109. The reversal of 67474143073 is 37034147476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21565509904 + 45908633169 = 146852^2 + 214263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67474143073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67474143043) 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, 553066686 + ... + 553066807.

It is an arithmetic number, because the mean of its divisors is an integer number (17145069157).

Almost surely, 2^67474143073 is an apocalyptic number.

It is an amenable number.

67474143073 is a deficient number, since it is larger than the sum of its proper divisors (1106133555).

67474143073 is a wasteful number, since it uses less digits than its factorization.

67474143073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106133554.

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 67474143073 in words is "sixty-seven billion, four hundred seventy-four million, one hundred forty-three thousand, seventy-three".