1069725434 has 4 divisors (see below), whose sum is σ = 1604588154. Its totient is φ = 534862716.

The previous prime is 1069725431. The next prime is 1069725473. The reversal of 1069725434 is 4345279601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 750924409 + 318801025 = 27403^2 + 17855^2 .

It is a super-2 number, since 2×1069725434² = 2288625008292976712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069725391 and 1069725400.

It is not an unprimeable number, because it can be changed into a prime (1069725431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267431357 + ... + 267431360.

Almost surely, 2^1069725434 is an apocalyptic number.

1069725434 is a deficient number, since it is larger than the sum of its proper divisors (534862720).

1069725434 is an equidigital number, since it uses as much as digits as its factorization.

1069725434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534862719.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1069725434 is about 32706.6573345550. The cubic root of 1069725434 is about 1022.7216287375.

The spelling of 1069725434 in words is "one billion, sixty-nine million, seven hundred twenty-five thousand, four hundred thirty-four".