7650870390 has 80 divisors (see below), whose sum is σ = 20658939840. Its totient is φ = 2031644160.

The previous prime is 7650870379. The next prime is 7650870413. The reversal of 7650870390 is 930780567.

It is a happy number.

7650870390 is a `hidden beast` number, since 76 + 508 + 70 + 3 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 173830 + ... + 213350.

It is an arithmetic number, because the mean of its divisors is an integer number (258236748).

Almost surely, 2^7650870390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7650870390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10329469920).

7650870390 is an abundant number, since it is smaller than the sum of its proper divisors (13008069450).

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

7650870390 is a wasteful number, since it uses less digits than its factorization.

7650870390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39779 (or 39770 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 7650870390 is about 87469.2539696092. The cubic root of 7650870390 is about 1970.4720617122.

The spelling of 7650870390 in words is "seven billion, six hundred fifty million, eight hundred seventy thousand, three hundred ninety".