75574441 has 2 divisors, whose sum is σ = 75574442. Its totient is φ = 75574440.

The previous prime is 75574427. The next prime is 75574451. The reversal of 75574441 is 14447557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73874025 + 1700416 = 8595^2 + 1304^2 .

It is an emirp because it is prime and its reverse (14447557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75574441 - 2⁵ = 75574409 is a prime.

It is a super-2 number, since 2×75574441² = 11422992264924962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75574441.

It is not a weakly prime, because it can be changed into another prime (75574451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37787220 + 37787221.

It is an arithmetic number, because the mean of its divisors is an integer number (37787221).

Almost surely, 2^75574441 is an apocalyptic number.

It is an amenable number.

75574441 is a deficient number, since it is larger than the sum of its proper divisors (1).

75574441 is an equidigital number, since it uses as much as digits as its factorization.

75574441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400, while the sum is 37.

The square root of 75574441 is about 8693.3561413300. The cubic root of 75574441 is about 422.7902672544.

The spelling of 75574441 in words is "seventy-five million, five hundred seventy-four thousand, four hundred forty-one".