6820490073 has 8 divisors (see below), whose sum is σ = 9095931936. Its totient is φ = 4546020800.

The previous prime is 6820490051. The next prime is 6820490087. The reversal of 6820490073 is 3700940286.

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

It is a cyclic number.

It is not a de Polignac number, because 6820490073 - 2¹² = 6820485977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6820410073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226623 + ... + 254948.

It is an arithmetic number, because the mean of its divisors is an integer number (1136991492).

Almost surely, 2^6820490073 is an apocalyptic number.

It is an amenable number.

6820490073 is a deficient number, since it is larger than the sum of its proper divisors (2275441863).

6820490073 is a wasteful number, since it uses less digits than its factorization.

6820490073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486295.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 6820490073 is about 82586.2583787400. The cubic root of 6820490073 is about 1896.4374677645.

The spelling of 6820490073 in words is "six billion, eight hundred twenty million, four hundred ninety thousand, seventy-three".