75164312 has 8 divisors (see below), whose sum is σ = 140933100. Its totient is φ = 37582152.

The previous prime is 75164311. The next prime is 75164321. The reversal of 75164312 is 21346157.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75164311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4697762 + ... + 4697777.

Almost surely, 2^75164312 is an apocalyptic number.

It is an amenable number.

75164312 is a deficient number, since it is larger than the sum of its proper divisors (65768788).

75164312 is a wasteful number, since it uses less digits than its factorization.

75164312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395545 (or 9395541 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 75164312 is about 8669.7354054204. The cubic root of 75164312 is about 422.0240771510.

The spelling of 75164312 in words is "seventy-five million, one hundred sixty-four thousand, three hundred twelve".