1064256730 has 8 divisors (see below), whose sum is σ = 1915662132. Its totient is φ = 425702688.

The previous prime is 1064256719. The next prime is 1064256737. The reversal of 1064256730 is 376524601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1003432329 + 60824401 = 31677^2 + 7799^2 .

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

It is a super-2 number, since 2×1064256730² = 2265284774700585800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064256737) 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, 53212827 + ... + 53212846.

Almost surely, 2^1064256730 is an apocalyptic number.

1064256730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064256730 is a deficient number, since it is larger than the sum of its proper divisors (851405402).

1064256730 is a wasteful number, since it uses less digits than its factorization.

1064256730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106425680.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1064256730 is about 32622.9479048108. The cubic root of 1064256730 is about 1020.9758474623.

The spelling of 1064256730 in words is "one billion, sixty-four million, two hundred fifty-six thousand, seven hundred thirty".