7725312701 has 8 divisors (see below), whose sum is σ = 8063052984. Its totient is φ = 7394682880.

The previous prime is 7725312689. The next prime is 7725312713. The reversal of 7725312701 is 1072135277.

It is an interprime number because it is at equal distance from previous prime (7725312689) and next prime (7725312713).

It can be written as a sum of positive squares in 4 ways, for example, as 53304601 + 7672008100 = 7301^2 + 87590^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7725312701 - 2¹⁰ = 7725311677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725312781) 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, 1775396 + ... + 1779741.

It is an arithmetic number, because the mean of its divisors is an integer number (1007881623).

Almost surely, 2^7725312701 is an apocalyptic number.

It is an amenable number.

7725312701 is a deficient number, since it is larger than the sum of its proper divisors (337740283).

7725312701 is a wasteful number, since it uses less digits than its factorization.

7725312701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555231.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 7725312701 is about 87893.7580320696. The cubic root of 7725312701 is about 1976.8422868279.

Adding to 7725312701 its reverse (1072135277), we get a palindrome (8797447978).

The spelling of 7725312701 in words is "seven billion, seven hundred twenty-five million, three hundred twelve thousand, seven hundred one".