75166245 has 96 divisors (see below), whose sum is σ = 169741440. Its totient is φ = 31207680.

The previous prime is 75166241. The next prime is 75166249. The reversal of 75166245 is 54266157.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75166241) and next prime (75166249).

It is not a de Polignac number, because 75166245 - 2² = 75166241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75166241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72249 + ... + 73281.

It is an arithmetic number, because the mean of its divisors is an integer number (1768140).

Almost surely, 2^75166245 is an apocalyptic number.

It is an amenable number.

75166245 is an abundant number, since it is smaller than the sum of its proper divisors (94575195).

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

75166245 is a wasteful number, since it uses less digits than its factorization.

75166245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1059 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 75166245 is about 8669.8468844611. The cubic root of 75166245 is about 422.0276948499.

The spelling of 75166245 in words is "seventy-five million, one hundred sixty-six thousand, two hundred forty-five".