1069728434 has 16 divisors (see below), whose sum is σ = 1714864608. Its totient is φ = 498695232.

The previous prime is 1069728431. The next prime is 1069728463. The reversal of 1069728434 is 4348279601.

It is a super-2 number, since 2×1069728434² = 2288637845016184712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1069728431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143384 + ... + 150659.

It is an arithmetic number, because the mean of its divisors is an integer number (107179038).

Almost surely, 2^1069728434 is an apocalyptic number.

1069728434 is a deficient number, since it is larger than the sum of its proper divisors (645136174).

1069728434 is a wasteful number, since it uses less digits than its factorization.

1069728434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294169.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1069728434 is about 32706.7031967455. The cubic root of 1069728434 is about 1022.7225847965.

The spelling of 1069728434 in words is "one billion, sixty-nine million, seven hundred twenty-eight thousand, four hundred thirty-four".