6739990615 has 8 divisors (see below), whose sum is σ = 8285257008. Its totient is φ = 5260480320.

The previous prime is 6739990571. The next prime is 6739990627. The reversal of 6739990615 is 5160999376.

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

It is not a de Polignac number, because 6739990615 - 2⁷ = 6739990487 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 16438797 + ... + 16439206.

It is an arithmetic number, because the mean of its divisors is an integer number (1035657126).

Almost surely, 2^6739990615 is an apocalyptic number.

6739990615 is a deficient number, since it is larger than the sum of its proper divisors (1545266393).

6739990615 is a wasteful number, since it uses less digits than its factorization.

6739990615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32878049.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The square root of 6739990615 is about 82097.4458494294. The cubic root of 6739990615 is about 1888.9469619894.

The spelling of 6739990615 in words is "six billion, seven hundred thirty-nine million, nine hundred ninety thousand, six hundred fifteen".