7620049 has 2 divisors, whose sum is σ = 7620050. Its totient is φ = 7620048.

The previous prime is 7620023. The next prime is 7620101. The reversal of 7620049 is 9400267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4592449 + 3027600 = 2143^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 7620049 - 2⁷ = 7619921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7619999 and 7620026.

It is not a weakly prime, because it can be changed into another prime (7620449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810024 + 3810025.

It is an arithmetic number, because the mean of its divisors is an integer number (3810025).

Almost surely, 2^7620049 is an apocalyptic number.

It is an amenable number.

7620049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620049 is an equidigital number, since it uses as much as digits as its factorization.

7620049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7620049 is about 2760.4436237677. The cubic root of 7620049 is about 196.7822497183.

The spelling of 7620049 in words is "seven million, six hundred twenty thousand, forty-nine".