75000545 has 8 divisors (see below), whose sum is σ = 90055680. Its totient is φ = 59963760.

The previous prime is 75000533. The next prime is 75000553. The reversal of 75000545 is 54500057.

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

It is not a de Polignac number, because 75000545 - 2¹⁶ = 74935009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7136 + ... + 14174.

It is an arithmetic number, because the mean of its divisors is an integer number (11256960).

Almost surely, 2^75000545 is an apocalyptic number.

It is an amenable number.

75000545 is a deficient number, since it is larger than the sum of its proper divisors (15055135).

75000545 is a wasteful number, since it uses less digits than its factorization.

75000545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 75000545 is about 8660.2855033769. The cubic root of 75000545 is about 421.7173541391.

The spelling of 75000545 in words is "seventy-five million, five hundred forty-five", and thus it is an aban number.