75840713 has 16 divisors (see below), whose sum is σ = 86790480. Its totient is φ = 65753856.

The previous prime is 75840671. The next prime is 75840719. The reversal of 75840713 is 31704857.

It can be written as a sum of positive squares in 8 ways, for example, as 446224 + 75394489 = 668^2 + 8683^2 .

It is a cyclic number.

It is not a de Polignac number, because 75840713 - 2¹⁰ = 75839689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75840719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11231 + ... + 16667.

It is an arithmetic number, because the mean of its divisors is an integer number (5424405).

Almost surely, 2^75840713 is an apocalyptic number.

It is an amenable number.

75840713 is a deficient number, since it is larger than the sum of its proper divisors (10949767).

75840713 is a wasteful number, since it uses less digits than its factorization.

75840713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 75840713 is about 8708.6573592030. The cubic root of 75840713 is about 423.2862252883.

The spelling of 75840713 in words is "seventy-five million, eight hundred forty thousand, seven hundred thirteen".