75000006 has 24 divisors (see below), whose sum is σ = 168519624. Its totient is φ = 24999840.

The previous prime is 74999959. The next prime is 75000007. The reversal of 75000006 is 60000057.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75000007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76675 + ... + 77646.

It is an arithmetic number, because the mean of its divisors is an integer number (7021651).

Almost surely, 2^75000006 is an apocalyptic number.

75000006 is an abundant number, since it is smaller than the sum of its proper divisors (93519618).

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

75000006 is a wasteful number, since it uses less digits than its factorization.

75000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154338 (or 154326 counting only the distinct ones).

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

The square root of 75000006 is about 8660.2543842545. The cubic root of 75000006 is about 421.7163438966.

The spelling of 75000006 in words is "seventy-five million, six", and thus it is an aban number and an uban number.