7620003901 has 2 divisors, whose sum is σ = 7620003902. Its totient is φ = 7620003900.

The previous prime is 7620003871. The next prime is 7620003907. The reversal of 7620003901 is 1093000267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5087398276 + 2532605625 = 71326^2 + 50325^2 .

It is an emirp because it is prime and its reverse (1093000267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7620003901 - 2⁹ = 7620003389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7620003901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7620003907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810001950 + 3810001951.

It is an arithmetic number, because the mean of its divisors is an integer number (3810001951).

Almost surely, 2^7620003901 is an apocalyptic number.

It is an amenable number.

7620003901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620003901 is an equidigital number, since it uses as much as digits as its factorization.

7620003901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7620003901 is about 87292.6337155662. The cubic root of 7620003901 is about 1967.8186150117.

The spelling of 7620003901 in words is "seven billion, six hundred twenty million, three thousand, nine hundred one".