7402620769 has 2 divisors, whose sum is σ = 7402620770. Its totient is φ = 7402620768.

The previous prime is 7402620767. The next prime is 7402620773. The reversal of 7402620769 is 9670262047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6701059600 + 701561169 = 81860^2 + 26487^2 .

It is a cyclic number.

It is not a de Polignac number, because 7402620769 - 2¹ = 7402620767 is a prime.

It is a super-2 number, since 2×7402620769² (a number of 21 digits) contains 22 as substring.

Together with 7402620767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7402620767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701310384 + 3701310385.

It is an arithmetic number, because the mean of its divisors is an integer number (3701310385).

Almost surely, 2^7402620769 is an apocalyptic number.

It is an amenable number.

7402620769 is a deficient number, since it is larger than the sum of its proper divisors (1).

7402620769 is an equidigital number, since it uses as much as digits as its factorization.

7402620769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 7402620769 is about 86038.4842323480. The cubic root of 7402620769 is about 1948.9251818648.

The spelling of 7402620769 in words is "seven billion, four hundred two million, six hundred twenty thousand, seven hundred sixty-nine".