7492720759 has 2 divisors, whose sum is σ = 7492720760. Its totient is φ = 7492720758.

The previous prime is 7492720747. The next prime is 7492720769. The reversal of 7492720759 is 9570272947.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7492720759 is a prime.

It is a super-2 number, since 2×7492720759² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7492720769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3746360379 + 3746360380.

It is an arithmetic number, because the mean of its divisors is an integer number (3746360380).

Almost surely, 2^7492720759 is an apocalyptic number.

7492720759 is a deficient number, since it is larger than the sum of its proper divisors (1).

7492720759 is an equidigital number, since it uses as much as digits as its factorization.

7492720759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 7492720759 is about 86560.5034585636. The cubic root of 7492720759 is about 1956.8003430399.

The spelling of 7492720759 in words is "seven billion, four hundred ninety-two million, seven hundred twenty thousand, seven hundred fifty-nine".