7725015650 has 48 divisors (see below), whose sum is σ = 16215301440. Its totient is φ = 2712225600.

The previous prime is 7725015631. The next prime is 7725015653. The reversal of 7725015650 is 565105277.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7725015653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226214 + ... + 258113.

It is an arithmetic number, because the mean of its divisors is an integer number (337818780).

Almost surely, 2^7725015650 is an apocalyptic number.

7725015650 is an abundant number, since it is smaller than the sum of its proper divisors (8490285790).

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

7725015650 is a wasteful number, since it uses less digits than its factorization.

7725015650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484379 (or 484374 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 7725015650 is about 87892.0681859290. The cubic root of 7725015650 is about 1976.8169488889.

The spelling of 7725015650 in words is "seven billion, seven hundred twenty-five million, fifteen thousand, six hundred fifty".