6467997073 has 4 divisors (see below), whose sum is σ = 6605614080. Its totient is φ = 6330380068.

The previous prime is 6467997059. The next prime is 6467997103. The reversal of 6467997073 is 3707997646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6467997073 - 2¹⁷ = 6467866001 is a prime.

It is a super-2 number, since 2×6467997073² = 83669972272673134658, which 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 a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6467996999 and 6467997017.

It is not an unprimeable number, because it can be changed into a prime (6467997773) 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, 68808433 + ... + 68808526.

It is an arithmetic number, because the mean of its divisors is an integer number (1651403520).

Almost surely, 2^6467997073 is an apocalyptic number.

It is an amenable number.

6467997073 is a deficient number, since it is larger than the sum of its proper divisors (137617007).

6467997073 is a wasteful number, since it uses less digits than its factorization.

6467997073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137617006.

The product of its (nonzero) digits is 12002256, while the sum is 58.

The square root of 6467997073 is about 80423.8588541982. The cubic root of 6467997073 is about 1863.1876845466.

The spelling of 6467997073 in words is "six billion, four hundred sixty-seven million, nine hundred ninety-seven thousand, seventy-three".