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7490797 is a prime number
BaseRepresentation
bin11100100100110011101101
3112002120102221
4130210303231
53404201142
6424315341
7120446026
oct34446355
915076387
107490797
114256a46
122612b51
131723732
14dcdc4d
159ce767
hex724ced

7490797 has 2 divisors, whose sum is σ = 7490798. Its totient is φ = 7490796.

The previous prime is 7490783. The next prime is 7490803. The reversal of 7490797 is 7970947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 367236 = 2669^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 7490797 - 215 = 7458029 is a prime.

It is a super-2 number, since 2×74907972 = 112224079390418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7490737) 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, 3745398 + 3745399.

It is an arithmetic number, because the mean of its divisors is an integer number (3745399).

Almost surely, 27490797 is an apocalyptic number.

It is an amenable number.

7490797 is a deficient number, since it is larger than the sum of its proper divisors (1).

7490797 is an equidigital number, since it uses as much as digits as its factorization.

7490797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 7490797 is about 2736.9320415385. The cubic root of 7490797 is about 195.6632858953.

The spelling of 7490797 in words is "seven million, four hundred ninety thousand, seven hundred ninety-seven".