75114728 has 16 divisors (see below), whose sum is σ = 151674180. Its totient is φ = 34668288.

The previous prime is 75114719. The next prime is 75114731. The reversal of 75114728 is 82741157.

It can be written as a sum of positive squares in 2 ways, for example, as 73582084 + 1532644 = 8578^2 + 1238^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361025 + ... + 361232.

Almost surely, 2^75114728 is an apocalyptic number.

It is an amenable number.

75114728 is an abundant number, since it is smaller than the sum of its proper divisors (76559452).

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

75114728 is a wasteful number, since it uses less digits than its factorization.

75114728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722276 (or 722272 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 75114728 is about 8666.8753308214. The cubic root of 75114728 is about 421.9312571928.

The spelling of 75114728 in words is "seventy-five million, one hundred fourteen thousand, seven hundred twenty-eight".