7640005206 has 16 divisors (see below), whose sum is σ = 15286030848. Its totient is φ = 2545665000.

The previous prime is 7640005189. The next prime is 7640005249. The reversal of 7640005206 is 6025000467.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234270 + ... + 264881.

It is an arithmetic number, because the mean of its divisors is an integer number (955376928).

Almost surely, 2^7640005206 is an apocalyptic number.

7640005206 is an abundant number, since it is smaller than the sum of its proper divisors (7646025642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7640005206 is a wasteful number, since it uses less digits than its factorization.

7640005206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501707.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 7640005206 is about 87407.1233138352. The cubic root of 7640005206 is about 1969.5388483146.

The spelling of 7640005206 in words is "seven billion, six hundred forty million, five thousand, two hundred six".