1073700078025 has 9 divisors (see below), whose sum is σ = 1331394521191. Its totient is φ = 858955917640.

The previous prime is 1073700078019. The next prime is 1073700078029. The reversal of 1073700078025 is 5208700073701.

The square root of 1073700078025 is 1036195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 386532028089 + 687168049936 = 621717^2 + 828956^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1073700078025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073700078029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5077356 + ... + 5284594.

Almost surely, 2^{1073700078025} is an apocalyptic number.

1073700078025 is the 1036195-th square number.

1073700078025 is the 518098-th centered octagonal number.

It is an amenable number.

1073700078025 is a deficient number, since it is larger than the sum of its proper divisors (257694443166).

1073700078025 is an frugal number, since it uses more digits than its factorization.

1073700078025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414488 (or 207244 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 1073700078025 in words is "one trillion, seventy-three billion, seven hundred million, seventy-eight thousand, twenty-five".