75172207 has 8 divisors (see below), whose sum is σ = 82092240. Its totient is φ = 68266560.

The previous prime is 75172199. The next prime is 75172219. The reversal of 75172207 is 70227157.

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

It is a cyclic number.

It is not a de Polignac number, because 75172207 - 2³ = 75172199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75172267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9393 + ... + 15445.

It is an arithmetic number, because the mean of its divisors is an integer number (10261530).

Almost surely, 2^75172207 is an apocalyptic number.

75172207 is a deficient number, since it is larger than the sum of its proper divisors (6920033).

75172207 is a wasteful number, since it uses less digits than its factorization.

75172207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 75172207 is about 8670.1907130120. The cubic root of 75172207 is about 422.0388526180.

The spelling of 75172207 in words is "seventy-five million, one hundred seventy-two thousand, two hundred seven".