75221006 has 8 divisors (see below), whose sum is σ = 128950320. Its totient is φ = 32237568.

The previous prime is 75220997. The next prime is 75221033. The reversal of 75221006 is 60012257.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2686451 + ... + 2686478.

It is an arithmetic number, because the mean of its divisors is an integer number (16118790).

Almost surely, 2^75221006 is an apocalyptic number.

75221006 is a deficient number, since it is larger than the sum of its proper divisors (53729314).

75221006 is a wasteful number, since it uses less digits than its factorization.

75221006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372938.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75221006 is about 8673.0044390626. The cubic root of 75221006 is about 422.1301568375.

The spelling of 75221006 in words is "seventy-five million, two hundred twenty-one thousand, six".