7276420901 has 2 divisors, whose sum is σ = 7276420902. Its totient is φ = 7276420900.

The previous prime is 7276420891. The next prime is 7276420909. The reversal of 7276420901 is 1090246727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7066924225 + 209496676 = 84065^2 + 14474^2 .

It is a cyclic number.

It is not a de Polignac number, because 7276420901 - 2¹⁴ = 7276404517 is a prime.

It is a super-2 number, since 2×7276420901² (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 (7276420909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3638210450 + 3638210451.

It is an arithmetic number, because the mean of its divisors is an integer number (3638210451).

Almost surely, 2^7276420901 is an apocalyptic number.

It is an amenable number.

7276420901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7276420901 is an equidigital number, since it uses as much as digits as its factorization.

7276420901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7276420901 is about 85301.9396086631. The cubic root of 7276420901 is about 1937.7865516710.

The spelling of 7276420901 in words is "seven billion, two hundred seventy-six million, four hundred twenty thousand, nine hundred one".