7420312751 has 2 divisors, whose sum is σ = 7420312752. Its totient is φ = 7420312750.

The previous prime is 7420312727. The next prime is 7420312769. The reversal of 7420312751 is 1572130247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7420312751 - 2¹⁸ = 7420050607 is a prime.

It is a super-2 number, since 2×7420312751² (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 (7420312721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710156375 + 3710156376.

It is an arithmetic number, because the mean of its divisors is an integer number (3710156376).

Almost surely, 2^7420312751 is an apocalyptic number.

7420312751 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420312751 is an equidigital number, since it uses as much as digits as its factorization.

7420312751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 7420312751 is about 86141.2372270099. The cubic root of 7420312751 is about 1950.4765656165.

Adding to 7420312751 its reverse (1572130247), we get a palindrome (8992442998).

The spelling of 7420312751 in words is "seven billion, four hundred twenty million, three hundred twelve thousand, seven hundred fifty-one".