7500006 has 16 divisors (see below), whose sum is σ = 16666800. Its totient is φ = 2499984.

The previous prime is 7499981. The next prime is 7500013. The reversal of 7500006 is 6000057.

7500006 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69391 + ... + 69498.

It is an arithmetic number, because the mean of its divisors is an integer number (1041675).

Almost surely, 2^7500006 is an apocalyptic number.

7500006 is an abundant number, since it is smaller than the sum of its proper divisors (9166794).

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

7500006 is a wasteful number, since it uses less digits than its factorization.

7500006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138900 (or 138894 counting only the distinct ones).

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

The square root of 7500006 is about 2738.6138829707. The cubic root of 7500006 is about 195.7434342567.

The spelling of 7500006 in words is "seven million, five hundred thousand, six".