6721842034 has 16 divisors (see below), whose sum is σ = 10584426240. Its totient is φ = 3197375280.

The previous prime is 6721842019. The next prime is 6721842079. The reversal of 6721842034 is 4302481276.

It is a junction number, because it is equal to n+sod(n) for n = 6721841984 and 6721842002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915129 + ... + 922444.

It is an arithmetic number, because the mean of its divisors is an integer number (661526640).

Almost surely, 2^6721842034 is an apocalyptic number.

6721842034 is a deficient number, since it is larger than the sum of its proper divisors (3862584206).

6721842034 is a wasteful number, since it uses less digits than its factorization.

6721842034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837665.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 6721842034 is about 81986.8406148206. The cubic root of 6721842034 is about 1887.2500000395.

The spelling of 6721842034 in words is "six billion, seven hundred twenty-one million, eight hundred forty-two thousand, thirty-four".