75628133 has 4 divisors (see below), whose sum is σ = 86432160. Its totient is φ = 64824108.

The previous prime is 75628129. The next prime is 75628139. The reversal of 75628133 is 33182657.

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.

It is a cyclic number.

It is not a de Polignac number, because 75628133 - 2² = 75628129 is a prime.

It is a super-2 number, since 2×75628133² = 11439229002131378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75628093 and 75628102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75628139) 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, 5402003 + ... + 5402016.

It is an arithmetic number, because the mean of its divisors is an integer number (21608040).

Almost surely, 2^75628133 is an apocalyptic number.

It is an amenable number.

75628133 is a deficient number, since it is larger than the sum of its proper divisors (10804027).

75628133 is a wasteful number, since it uses less digits than its factorization.

75628133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804026.

The product of its digits is 30240, while the sum is 35.

The square root of 75628133 is about 8696.4436984321. The cubic root of 75628133 is about 422.8903675925.

The spelling of 75628133 in words is "seventy-five million, six hundred twenty-eight thousand, one hundred thirty-three".