75057669 has 12 divisors (see below), whose sum is σ = 114794316. Its totient is φ = 47094912.

The previous prime is 75057643. The next prime is 75057677. The reversal of 75057669 is 96675057.

It is a happy number.

75057669 is a `hidden beast` number, since 75 + 0 + 576 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23648769 + 51408900 = 4863^2 + 7170^2 .

It is not a de Polignac number, because 75057669 - 2¹⁶ = 74992133 is a prime.

It is a super-2 number, since 2×75057669² = 11267307351427122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75057469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245134 + ... + 245439.

It is an arithmetic number, because the mean of its divisors is an integer number (9566193).

Almost surely, 2^75057669 is an apocalyptic number.

It is an amenable number.

75057669 is a deficient number, since it is larger than the sum of its proper divisors (39736647).

75057669 is a wasteful number, since it uses less digits than its factorization.

75057669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490596 (or 490593 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 75057669 is about 8663.5829193239. The cubic root of 75057669 is about 421.8243936663.

The spelling of 75057669 in words is "seventy-five million, fifty-seven thousand, six hundred sixty-nine".