7249740579 has 12 divisors (see below), whose sum is σ = 10485475000. Its totient is φ = 4826870784.

The previous prime is 7249740527. The next prime is 7249740601. The reversal of 7249740579 is 9750479427.

7249740579 is a `hidden beast` number, since 7 + 24 + 9 + 7 + 40 + 579 = 666.

It is not a de Polignac number, because 7249740579 - 2⁷ = 7249740451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7249740779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516829 + ... + 530670.

Almost surely, 2^7249740579 is an apocalyptic number.

7249740579 is a deficient number, since it is larger than the sum of its proper divisors (3235734421).

7249740579 is a wasteful number, since it uses less digits than its factorization.

7249740579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048274 (or 1048271 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The square root of 7249740579 is about 85145.4084434387. The cubic root of 7249740579 is about 1935.4152352871.

The spelling of 7249740579 in words is "seven billion, two hundred forty-nine million, seven hundred forty thousand, five hundred seventy-nine".