7420507901 has 2 divisors, whose sum is σ = 7420507902. Its totient is φ = 7420507900.

The previous prime is 7420507891. The next prime is 7420507937. The reversal of 7420507901 is 1097050247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3775488025 + 3645019876 = 61445^2 + 60374^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420507901 - 2²⁶ = 7353399037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420507961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710253950 + 3710253951.

It is an arithmetic number, because the mean of its divisors is an integer number (3710253951).

Almost surely, 2^7420507901 is an apocalyptic number.

It is an amenable number.

7420507901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420507901 is an equidigital number, since it uses as much as digits as its factorization.

7420507901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 7420507901 is about 86142.3699523063. The cubic root of 7420507901 is about 1950.4936642743.

The spelling of 7420507901 in words is "seven billion, four hundred twenty million, five hundred seven thousand, nine hundred one".