75713388217 has 18 divisors (see below), whose sum is σ = 77211183546. Its totient is φ = 74243800800.

The previous prime is 75713388187. The next prime is 75713388227. The reversal of 75713388217 is 71288331757.

It can be written as a sum of positive squares in only one way, i.e., 40880391721 + 34832996496 = 202189^2 + 186636^2 .

It is not a de Polignac number, because 75713388217 - 2²³ = 75704999609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75713388227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 241895653 + ... + 241895965.

It is an arithmetic number, because the mean of its divisors is an integer number (4289510197).

Almost surely, 2^75713388217 is an apocalyptic number.

It is an amenable number.

75713388217 is a deficient number, since it is larger than the sum of its proper divisors (1497795329).

75713388217 is an equidigital number, since it uses as much as digits as its factorization.

75713388217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 567 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 52.

The spelling of 75713388217 in words is "seventy-five billion, seven hundred thirteen million, three hundred eighty-eight thousand, two hundred seventeen".