698630725 has 48 divisors (see below), whose sum is σ = 1019934720. Its totient is φ = 469785600.

The previous prime is 698630717. The next prime is 698630747. The reversal of 698630725 is 527036896.

It is not a de Polignac number, because 698630725 - 2³ = 698630717 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169236 + ... + 173314.

It is an arithmetic number, because the mean of its divisors is an integer number (21248640).

Almost surely, 2^698630725 is an apocalyptic number.

698630725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

698630725 is a deficient number, since it is larger than the sum of its proper divisors (321303995).

698630725 is a wasteful number, since it uses less digits than its factorization.

698630725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 698630725 is about 26431.6235785848. The cubic root of 698630725 is about 887.3246787189.

The spelling of 698630725 in words is "six hundred ninety-eight million, six hundred thirty thousand, seven hundred twenty-five".