7490130866 has 16 divisors (see below), whose sum is σ = 12003041760. Its totient is φ = 3495000960.

The previous prime is 7490130863. The next prime is 7490130881. The reversal of 7490130866 is 6680310947.

It is a super-2 number, since 2×7490130866² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7490130863) 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 in 7 ways as a sum of consecutive naturals, for example, 1468415 + ... + 1473506.

It is an arithmetic number, because the mean of its divisors is an integer number (750190110).

Almost surely, 2^7490130866 is an apocalyptic number.

7490130866 is a deficient number, since it is larger than the sum of its proper divisors (4512910894).

7490130866 is a wasteful number, since it uses less digits than its factorization.

7490130866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942009.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 7490130866 is about 86545.5421497838. The cubic root of 7490130866 is about 1956.5748580792.

The spelling of 7490130866 in words is "seven billion, four hundred ninety million, one hundred thirty thousand, eight hundred sixty-six".