1071735725 has 18 divisors (see below), whose sum is σ = 1346183370. Its totient is φ = 846412320.

The previous prime is 1071735719. The next prime is 1071735727. The reversal of 1071735725 is 5275371701.

It can be written as a sum of positive squares in 3 ways, for example, as 7214596 + 1064521129 = 2686^2 + 32627^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1071735725 is a prime.

It is a super-2 number, since 2×1071735725² = 2297234928482551250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071735727) 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 17 ways as a sum of consecutive naturals, for example, 152591 + ... + 159459.

It is an arithmetic number, because the mean of its divisors is an integer number (74787965).

Almost surely, 2^1071735725 is an apocalyptic number.

It is an amenable number.

1071735725 is a deficient number, since it is larger than the sum of its proper divisors (274447645).

1071735725 is an frugal number, since it uses more digits than its factorization.

1071735725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037 (or 6953 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 38.

The square root of 1071735725 is about 32737.3750474897. The cubic root of 1071735725 is about 1023.3618807326.

The spelling of 1071735725 in words is "one billion, seventy-one million, seven hundred thirty-five thousand, seven hundred twenty-five".