75052045 has 8 divisors (see below), whose sum is σ = 90667800. Its totient is φ = 59638080.

The previous prime is 75052039. The next prime is 75052049. The reversal of 75052045 is 54025057.

It can be written as a sum of positive squares in 4 ways, for example, as 454276 + 74597769 = 674^2 + 8637^2 .

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

It is not a de Polignac number, because 75052045 - 2¹⁹ = 74527757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75052049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49626 + ... + 51115.

It is an arithmetic number, because the mean of its divisors is an integer number (11333475).

Almost surely, 2^75052045 is an apocalyptic number.

It is an amenable number.

75052045 is a deficient number, since it is larger than the sum of its proper divisors (15615755).

75052045 is a wasteful number, since it uses less digits than its factorization.

75052045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100895.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 75052045 is about 8663.2583362151. The cubic root of 75052045 is about 421.8138577692.

The spelling of 75052045 in words is "seventy-five million, fifty-two thousand, forty-five".