7500000006 has 32 divisors (see below), whose sum is σ = 16822442880. Its totient is φ = 2476633608.

The previous prime is 7499999999. The next prime is 7500000031. The reversal of 7500000006 is 6000000057.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 643236 + ... + 654791.

It is an arithmetic number, because the mean of its divisors is an integer number (525701340).

Almost surely, 2^7500000006 is an apocalyptic number.

7500000006 is an abundant number, since it is smaller than the sum of its proper divisors (9322442874).

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

7500000006 is a wasteful number, since it uses less digits than its factorization.

7500000006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298145 (or 1298139 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7500000006 is about 86602.5404130849. The cubic root of 7500000006 is about 1957.4338211064.

The spelling of 7500000006 in words is "seven billion, five hundred million, six", and thus it is an aban number.