75130643 has 4 divisors (see below), whose sum is σ = 85863600. Its totient is φ = 64397688.

The previous prime is 75130637. The next prime is 75130669. The reversal of 75130643 is 34603157.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75130643 is a prime.

It is a super-2 number, since 2×75130643² = 11289227035186898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75130043) 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, 5366468 + ... + 5366481.

It is an arithmetic number, because the mean of its divisors is an integer number (21465900).

Almost surely, 2^75130643 is an apocalyptic number.

75130643 is a deficient number, since it is larger than the sum of its proper divisors (10732957).

75130643 is a wasteful number, since it uses less digits than its factorization.

75130643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732956.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 75130643 is about 8667.7934331639. The cubic root of 75130643 is about 421.9610541089.

The spelling of 75130643 in words is "seventy-five million, one hundred thirty thousand, six hundred forty-three".