75504049 has 8 divisors (see below), whose sum is σ = 76063680. Its totient is φ = 74947056.

The previous prime is 75504041. The next prime is 75504067. The reversal of 75504049 is 94040557.

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

It is not a de Polignac number, because 75504049 - 2³ = 75504041 is a prime.

It is a super-2 number, since 2×75504049² = 11401722830788802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75504041) 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, 128334 + ... + 128920.

It is an arithmetic number, because the mean of its divisors is an integer number (9507960).

Almost surely, 2^75504049 is an apocalyptic number.

It is an amenable number.

75504049 is a deficient number, since it is larger than the sum of its proper divisors (559631).

75504049 is a wasteful number, since it uses less digits than its factorization.

75504049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 75504049 is about 8689.3065891359. The cubic root of 75504049 is about 422.6589605279.

The spelling of 75504049 in words is "seventy-five million, five hundred four thousand, forty-nine".