340720725 has 24 divisors (see below), whose sum is σ = 564320032. Its totient is φ = 181396800.

The previous prime is 340720717. The next prime is 340720741. The reversal of 340720725 is 527027043.

It is not a de Polignac number, because 340720725 - 2³ = 340720717 is a prime.

It is a super-2 number, since 2×340720725² = 232181224889051250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340720692 and 340720701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42270 + ... + 49680.

Almost surely, 2^340720725 is an apocalyptic number.

It is an amenable number.

340720725 is a deficient number, since it is larger than the sum of its proper divisors (223599307).

340720725 is a wasteful number, since it uses less digits than its factorization.

340720725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037 (or 8032 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 340720725 is about 18458.6219691504. The cubic root of 340720725 is about 698.4460255755.

Adding to 340720725 its reverse (527027043), we get a palindrome (867747768).

The spelling of 340720725 in words is "three hundred forty million, seven hundred twenty thousand, seven hundred twenty-five".