6904690073 has 4 divisors (see below), whose sum is σ = 6905397348. Its totient is φ = 6903982800.

The previous prime is 6904690057. The next prime is 6904690123. The reversal of 6904690073 is 3700964096.

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 5548462144 + 1356227929 = 74488^2 + 36827^2 .

It is a cyclic number.

It is not a de Polignac number, because 6904690073 - 2⁴ = 6904690057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6904690033) 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, 338786 + ... + 358587.

It is an arithmetic number, because the mean of its divisors is an integer number (1726349337).

Almost surely, 2^6904690073 is an apocalyptic number.

It is an amenable number.

6904690073 is a deficient number, since it is larger than the sum of its proper divisors (707275).

6904690073 is an equidigital number, since it uses as much as digits as its factorization.

6904690073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707274.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 6904690073 is about 83094.4647554818. The cubic root of 6904690073 is about 1904.2095101152.

The spelling of 6904690073 in words is "six billion, nine hundred four million, six hundred ninety thousand, seventy-three".