75022049 has 4 divisors (see below), whose sum is σ = 75049620. Its totient is φ = 74994480.

The previous prime is 75022033. The next prime is 75022061. The reversal of 75022049 is 94022057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70442449 + 4579600 = 8393^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 75022049 - 2⁴ = 75022033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75021049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9194 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (18762405).

Almost surely, 2^75022049 is an apocalyptic number.

It is an amenable number.

75022049 is a deficient number, since it is larger than the sum of its proper divisors (27571).

75022049 is a wasteful number, since it uses less digits than its factorization.

75022049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 75022049 is about 8661.5269439054. The cubic root of 75022049 is about 421.7576549280.

The spelling of 75022049 in words is "seventy-five million, twenty-two thousand, forty-nine".