75406327 has 4 divisors (see below), whose sum is σ = 75508560. Its totient is φ = 75304096.

The previous prime is 75406321. The next prime is 75406337. The reversal of 75406327 is 72360457.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75406327 - 2³ = 75406319 is a prime.

It is a super-2 number, since 2×75406327² = 11372228303261858, 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 = 75406292 and 75406301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75406321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50002 + ... + 51487.

It is an arithmetic number, because the mean of its divisors is an integer number (18877140).

Almost surely, 2^75406327 is an apocalyptic number.

75406327 is a deficient number, since it is larger than the sum of its proper divisors (102233).

75406327 is a wasteful number, since it uses less digits than its factorization.

75406327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102232.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 75406327 is about 8683.6816500837. The cubic root of 75406327 is about 422.4765380340.

The spelling of 75406327 in words is "seventy-five million, four hundred six thousand, three hundred twenty-seven".