33673667407073 has 4 divisors (see below), whose sum is σ = 33691761803028. Its totient is φ = 33655573011120.

The previous prime is 33673667407021. The next prime is 33673667407097. The reversal of 33673667407073 is 37070476637633.

It is a happy number.

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 1705238999104 + 31968428407969 = 1305848^2 + 5654063^2 .

It is a cyclic number.

It is not a de Polignac number, because 33673667407073 - 2⁸ = 33673667406817 is a prime.

It is a super-2 number, since 2×33673667407073² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33673667406997 and 33673667407015.

It is not an unprimeable number, because it can be changed into a prime (33673660407073) 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, 9047195186 + ... + 9047198907.

It is an arithmetic number, because the mean of its divisors is an integer number (8422940450757).

Almost surely, 2^{33673667407073} is an apocalyptic number.

It is an amenable number.

33673667407073 is a deficient number, since it is larger than the sum of its proper divisors (18094395955).

33673667407073 is a wasteful number, since it uses less digits than its factorization.

33673667407073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18094395954.

The product of its (nonzero) digits is 168031584, while the sum is 62.

The spelling of 33673667407073 in words is "thirty-three trillion, six hundred seventy-three billion, six hundred sixty-seven million, four hundred seven thousand, seventy-three".