75628273 has 4 divisors (see below), whose sum is σ = 86432320. Its totient is φ = 64824228.

The previous prime is 75628261. The next prime is 75628279. The reversal of 75628273 is 37282657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37282657 = 179 ⋅208283.

It is a de Polignac number, because none of the positive numbers 2^k-75628273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75628279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5402013 + ... + 5402026.

It is an arithmetic number, because the mean of its divisors is an integer number (21608080).

Almost surely, 2^75628273 is an apocalyptic number.

It is an amenable number.

75628273 is a deficient number, since it is larger than the sum of its proper divisors (10804047).

75628273 is a wasteful number, since it uses less digits than its factorization.

75628273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804046.

The product of its digits is 141120, while the sum is 40.

The square root of 75628273 is about 8696.4517476957. The cubic root of 75628273 is about 422.8906285387.

The spelling of 75628273 in words is "seventy-five million, six hundred twenty-eight thousand, two hundred seventy-three".