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7492680757 is a prime number
BaseRepresentation
bin1101111101001100…
…10011110000110101
3201100011210121201201
412332212103300311
5110321111241012
63235254052501
7353450510212
oct67646236065
921304717651
107492680757
1131a5471a51
12155134a131
139253c7713
14511168b09
152dcbd8857
hex1be993c35

7492680757 has 2 divisors, whose sum is σ = 7492680758. Its totient is φ = 7492680756.

The previous prime is 7492680709. The next prime is 7492680763. The reversal of 7492680757 is 7570862947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4260303441 + 3232377316 = 65271^2 + 56854^2 .

It is a cyclic number.

It is not a de Polignac number, because 7492680757 - 227 = 7358463029 is a prime.

It is a super-2 number, since 2×74926807572 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7492680698 and 7492680707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7492680157) 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, 3746340378 + 3746340379.

It is an arithmetic number, because the mean of its divisors is an integer number (3746340379).

Almost surely, 27492680757 is an apocalyptic number.

It is an amenable number.

7492680757 is a deficient number, since it is larger than the sum of its proper divisors (1).

7492680757 is an equidigital number, since it uses as much as digits as its factorization.

7492680757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The square root of 7492680757 is about 86560.2723944420. The cubic root of 7492680757 is about 1956.7968607238.

The spelling of 7492680757 in words is "seven billion, four hundred ninety-two million, six hundred eighty thousand, seven hundred fifty-seven".