1027432730 has 16 divisors (see below), whose sum is σ = 1868446440. Its totient is φ = 406735872.

The previous prime is 1027432727. The next prime is 1027432741. The reversal of 1027432730 is 372347201.

It can be written as a sum of positive squares in 4 ways, for example, as 752569489 + 274863241 = 27433^2 + 16579^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1027432693 and 1027432702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528635 + ... + 530574.

Almost surely, 2^1027432730 is an apocalyptic number.

1027432730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1027432730 is a deficient number, since it is larger than the sum of its proper divisors (841013710).

1027432730 is a wasteful number, since it uses less digits than its factorization.

1027432730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059313.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1027432730 is about 32053.5915304354. The cubic root of 1027432730 is about 1009.0618776600.

Adding to 1027432730 its reverse (372347201), we get a palindrome (1399779931).

The spelling of 1027432730 in words is "one billion, twenty-seven million, four hundred thirty-two thousand, seven hundred thirty".