75128314 has 16 divisors (see below), whose sum is σ = 116937216. Its totient is φ = 36162000.

The previous prime is 75128311. The next prime is 75128323. The reversal of 75128314 is 41382157.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (75128311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9139 + ... + 15289.

It is an arithmetic number, because the mean of its divisors is an integer number (7308576).

Almost surely, 2^75128314 is an apocalyptic number.

75128314 is a deficient number, since it is larger than the sum of its proper divisors (41808902).

75128314 is a wasteful number, since it uses less digits than its factorization.

75128314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381.

The product of its digits is 6720, while the sum is 31.

The square root of 75128314 is about 8667.6590842049. The cubic root of 75128314 is about 421.9566938931.

The spelling of 75128314 in words is "seventy-five million, one hundred twenty-eight thousand, three hundred fourteen".