7573872549 has 8 divisors (see below), whose sum is σ = 10629996640. Its totient is φ = 4783498416.

The previous prime is 7573872533. The next prime is 7573872557. The reversal of 7573872549 is 9452783757.

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

It is not a de Polignac number, because 7573872549 - 2⁴ = 7573872533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 132874957 = 7573872549 / (7 + 5 + 7 + 3 + 8 + 7 + 2 + 5 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7573872599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66437422 + ... + 66437535.

It is an arithmetic number, because the mean of its divisors is an integer number (1328749580).

Almost surely, 2^7573872549 is an apocalyptic number.

It is an amenable number.

7573872549 is a deficient number, since it is larger than the sum of its proper divisors (3056124091).

7573872549 is a wasteful number, since it uses less digits than its factorization.

7573872549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132874979.

The product of its digits is 14817600, while the sum is 57.

The square root of 7573872549 is about 87027.9986498598. The cubic root of 7573872549 is about 1963.8395294943.

The spelling of 7573872549 in words is "seven billion, five hundred seventy-three million, eight hundred seventy-two thousand, five hundred forty-nine".