7289663770 has 8 divisors (see below), whose sum is σ = 13121394804. Its totient is φ = 2915865504.

The previous prime is 7289663749. The next prime is 7289663779. The reversal of 7289663770 is 773669827.

It can be written as a sum of positive squares in 2 ways, for example, as 6713999721 + 575664049 = 81939^2 + 23993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7289663770² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7289663779) 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 3 ways as a sum of consecutive naturals, for example, 364483179 + ... + 364483198.

Almost surely, 2^7289663770 is an apocalyptic number.

7289663770 is a deficient number, since it is larger than the sum of its proper divisors (5831731034).

7289663770 is a wasteful number, since it uses less digits than its factorization.

7289663770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728966384.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The square root of 7289663770 is about 85379.5278155132. The cubic root of 7289663770 is about 1938.9614104644.

It can be divided in two parts, 728966 and 3770, that added together give a square (732736 = 856²).

The spelling of 7289663770 in words is "seven billion, two hundred eighty-nine million, six hundred sixty-three thousand, seven hundred seventy".