75432427445 has 8 divisors (see below), whose sum is σ = 90557494944. Its totient is φ = 60320220624.

The previous prime is 75432427439. The next prime is 75432427451. The reversal of 75432427445 is 54472423457.

It is an interprime number because it is at equal distance from previous prime (75432427439) and next prime (75432427451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75432427445 - 2¹⁸ = 75432165301 is a prime.

It is a super-2 number, since 2×75432427445² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75432427445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202259 + ... + 3225728.

It is an arithmetic number, because the mean of its divisors is an integer number (11319686868).

Almost surely, 2^75432427445 is an apocalyptic number.

It is an amenable number.

75432427445 is a deficient number, since it is larger than the sum of its proper divisors (15125067499).

75432427445 is a wasteful number, since it uses less digits than its factorization.

75432427445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430339.

The product of its digits is 3763200, while the sum is 47.

The spelling of 75432427445 in words is "seventy-five billion, four hundred thirty-two million, four hundred twenty-seven thousand, four hundred forty-five".