75412019 has 4 divisors (see below), whose sum is σ = 76079496. Its totient is φ = 74744544.

The previous prime is 75412013. The next prime is 75412027. The reversal of 75412019 is 91021457.

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-75412019 is a prime.

It is a super-2 number, since 2×75412019² = 11373945219312722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75411982 and 75412000.

It is not an unprimeable number, because it can be changed into a prime (75412013) 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, 333569 + ... + 333794.

It is an arithmetic number, because the mean of its divisors is an integer number (19019874).

Almost surely, 2^75412019 is an apocalyptic number.

75412019 is a deficient number, since it is larger than the sum of its proper divisors (667477).

75412019 is a wasteful number, since it uses less digits than its factorization.

75412019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667476.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 75412019 is about 8684.0093850709. The cubic root of 75412019 is about 422.4871678934.

The spelling of 75412019 in words is "seventy-five million, four hundred twelve thousand, nineteen".