872359745 has 4 divisors (see below), whose sum is σ = 1046831700. Its totient is φ = 697887792.

The previous prime is 872359717. The next prime is 872359751. The reversal of 872359745 is 547953278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547953278 = 2 ⋅273976639.

It can be written as a sum of positive squares in 2 ways, for example, as 96904336 + 775455409 = 9844^2 + 27847^2 .

It is a cyclic number.

It is not a de Polignac number, because 872359745 - 2⁶ = 872359681 is a prime.

It is a super-2 number, since 2×872359745² = 1522023049392930050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872359693 and 872359702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87235970 + ... + 87235979.

It is an arithmetic number, because the mean of its divisors is an integer number (261707925).

Almost surely, 2^872359745 is an apocalyptic number.

It is an amenable number.

872359745 is a deficient number, since it is larger than the sum of its proper divisors (174471955).

872359745 is a wasteful number, since it uses less digits than its factorization.

872359745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174471954.

The product of its digits is 2116800, while the sum is 50.

The square root of 872359745 is about 29535.7367438160. The cubic root of 872359745 is about 955.5025981233.

The spelling of 872359745 in words is "eight hundred seventy-two million, three hundred fifty-nine thousand, seven hundred forty-five".