75393045 has 192 divisors, whose sum is σ = 184343040. Its totient is φ = 28366848.

The previous prime is 75393001. The next prime is 75393049. The reversal of 75393045 is 54039357.

It is not a de Polignac number, because 75393045 - 2⁶ = 75392981 is a prime.

It is a super-2 number, since 2×75393045² = 11368222468744050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75393049) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 3968046 + ... + 3968064.

It is an arithmetic number, because the mean of its divisors is an integer number (960120).

Almost surely, 2^75393045 is an apocalyptic number.

It is an amenable number.

75393045 is an abundant number, since it is smaller than the sum of its proper divisors (108949995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75393045 is a wasteful number, since it uses less digits than its factorization.

75393045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 75393045 is about 8682.9168486172. The cubic root of 75393045 is about 422.4517317032.

The spelling of 75393045 in words is "seventy-five million, three hundred ninety-three thousand, forty-five".