698725705 has 16 divisors (see below), whose sum is σ = 869742720. Its totient is φ = 538489728.

The previous prime is 698725693. The next prime is 698725711. The reversal of 698725705 is 507527896.

698725705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 698725705 - 2⁵ = 698725673 is a prime.

It is a super-2 number, since 2×698725705² = 976435221655494050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6565 + ... + 37954.

It is an arithmetic number, because the mean of its divisors is an integer number (54358920).

Almost surely, 2^698725705 is an apocalyptic number.

It is an amenable number.

698725705 is a deficient number, since it is larger than the sum of its proper divisors (171017015).

698725705 is a wasteful number, since it uses less digits than its factorization.

698725705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44640.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 698725705 is about 26433.4202289450. The cubic root of 698725705 is about 887.3648879816.

The spelling of 698725705 in words is "six hundred ninety-eight million, seven hundred twenty-five thousand, seven hundred five".