6904078730 has 8 divisors (see below), whose sum is σ = 12427341732. Its totient is φ = 2761631488.

The previous prime is 6904078729. The next prime is 6904078739. The reversal of 6904078730 is 378704096.

It can be written as a sum of positive squares in 2 ways, for example, as 6829204321 + 74874409 = 82639^2 + 8653^2 .

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

It is a super-2 number, since 2×6904078730² = 95332606220076825800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6904078739) 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, 345203927 + ... + 345203946.

Almost surely, 2^6904078730 is an apocalyptic number.

6904078730 is a deficient number, since it is larger than the sum of its proper divisors (5523263002).

6904078730 is a wasteful number, since it uses less digits than its factorization.

6904078730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690407880.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6904078730 is about 83090.7860716217. The cubic root of 6904078730 is about 1904.1533087264.

The spelling of 6904078730 in words is "six billion, nine hundred four million, seventy-eight thousand, seven hundred thirty".