75275217 has 8 divisors (see below), whose sum is σ = 111518880. Its totient is φ = 50183460.

The previous prime is 75275197. The next prime is 75275219. The reversal of 75275217 is 71257257.

It is not a de Polignac number, because 75275217 - 2⁸ = 75274961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75275219) 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, 1393959 + ... + 1394012.

It is an arithmetic number, because the mean of its divisors is an integer number (13939860).

Almost surely, 2^75275217 is an apocalyptic number.

It is an amenable number.

75275217 is a deficient number, since it is larger than the sum of its proper divisors (36243663).

75275217 is a wasteful number, since it uses less digits than its factorization.

75275217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787980 (or 2787974 counting only the distinct ones).

The product of its digits is 34300, while the sum is 36.

The square root of 75275217 is about 8676.1291484164. The cubic root of 75275217 is about 422.2315407634.

The spelling of 75275217 in words is "seventy-five million, two hundred seventy-five thousand, two hundred seventeen".