75069445 has 16 divisors (see below), whose sum is σ = 101445120. Its totient is φ = 52833600.

The previous prime is 75069427. The next prime is 75069457. The reversal of 75069445 is 54496057.

It is not a de Polignac number, because 75069445 - 2¹³ = 75061253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75069398 and 75069407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20310 + ... + 23719.

It is an arithmetic number, because the mean of its divisors is an integer number (6340320).

Almost surely, 2^75069445 is an apocalyptic number.

It is an amenable number.

75069445 is a deficient number, since it is larger than the sum of its proper divisors (26375675).

75069445 is a wasteful number, since it uses less digits than its factorization.

75069445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44076.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 75069445 is about 8664.2625191069. The cubic root of 75069445 is about 421.8464529014.

The spelling of 75069445 in words is "seventy-five million, sixty-nine thousand, four hundred forty-five".