75441445 has 32 divisors (see below), whose sum is σ = 97136640. Its totient is φ = 56160000.

The previous prime is 75441433. The next prime is 75441463. The reversal of 75441445 is 54414457.

It is not a de Polignac number, because 75441445 - 2⁵ = 75441413 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 75441445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746895 + ... + 746995.

It is an arithmetic number, because the mean of its divisors is an integer number (3035520).

Almost surely, 2^75441445 is an apocalyptic number.

It is an amenable number.

75441445 is a deficient number, since it is larger than the sum of its proper divisors (21695195).

75441445 is a wasteful number, since it uses less digits than its factorization.

75441445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277.

The product of its digits is 44800, while the sum is 34.

The square root of 75441445 is about 8685.7034833110. The cubic root of 75441445 is about 422.5421126749.

The spelling of 75441445 in words is "seventy-five million, four hundred forty-one thousand, four hundred forty-five".