6725893990 has 16 divisors (see below), whose sum is σ = 12118347648. Its totient is φ = 2687749056.

The previous prime is 6725893981. The next prime is 6725894083. The reversal of 6725893990 is 993985276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315222 + ... + 335881.

It is an arithmetic number, because the mean of its divisors is an integer number (757396728).

Almost surely, 2^6725893990 is an apocalyptic number.

6725893990 is a deficient number, since it is larger than the sum of its proper divisors (5392453658).

6725893990 is a wasteful number, since it uses less digits than its factorization.

6725893990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652143.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 6725893990 is about 82011.5479063772. The cubic root of 6725893990 is about 1887.6291380733.

The spelling of 6725893990 in words is "six billion, seven hundred twenty-five million, eight hundred ninety-three thousand, nine hundred ninety".